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{"id":6572053233766,"title":"Ultraspire Legacy 2.0 Unisex Lightweight Hydration Pack - Fluid Capacity 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0 (Not Included), Universal Size","handle":"ultraspire-legacy-2-0-unisex-lightweight-hydration-pack-fluid-capacity-4-x-ultraflask-550-2-softflasks-2l-reservoir-2-0-not-included-universal-size","description":"Weight\u003cbr\u003e\u003cbr\u003e13.6 oz (386 g)\u003cbr\u003e\u003cbr\u003e11.2 oz (318g)\u003cbr\u003e\u003cbr\u003e16 oz (454 g)\u003cbr\u003e\u003cbr\u003e10 oz (283g) with insert\u003cbr\u003e\u003cbr\u003e8.0 oz (227 g)\u003cbr\u003e\u003cbr\u003e9.4 oz (266 g) with bottle\u003cbr\u003e\u003cbr\u003eSize range\u003cbr\u003e\u003cbr\u003eUniversal Size\u003cbr\u003e\u003cbr\u003eUniversal Size(s): 26″-48″\u003cbr\u003e\u003cbr\u003eSM (30” - 36’), MD (32” - 38”), LG (34” - 42”)\u003cbr\u003e\u003cbr\u003eSM (31” - 36”), MD (34” - 39”), LG (37” - 42”)\u003cbr\u003e\u003cbr\u003eSM (26”- 35”), MD (32”-38”), LG (38”- 46”)\u003cbr\u003e\u003cbr\u003eUniversal Size\u003cbr\u003e\u003cbr\u003eHydration Included\u003cbr\u003e\u003cbr\u003e1 x 2 L Reservoir\u003cbr\u003e\u003cbr\u003eNot Included - Compatible (not included): 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0\u003cbr\u003e\u003cbr\u003e1 x 2 L Reservoir\u003cbr\u003e\u003cbr\u003eNot Included\u003cbr\u003e\u003cbr\u003eNot Included\u003cbr\u003e\u003cbr\u003e550 mL UltraFlask\u003cbr\u003e\u003cbr\u003eCapacity\u003cbr\u003e\u003cbr\u003e549 c.i. (9 L)\u003cbr\u003e\u003cbr\u003e610 c.i. (10 L)\u003cbr\u003e\u003cbr\u003e854 c.i. (14 L)\u003cbr\u003e\u003cbr\u003e366 c.i. (6 L)\u003cbr\u003e\u003cbr\u003e336 c.i. (6 L)\u003cbr\u003e\u003cbr\u003e122 c.i. (2 L)\u003cbr\u003e\u003cbr\u003eLine\u003cbr\u003e\u003cbr\u003eEssential Line\u003cbr\u003e\u003cbr\u003eRace Line\u003cbr\u003e\u003cbr\u003eRace Line\u003cbr\u003e\u003cbr\u003eRace Line\u003cbr\u003e\u003cbr\u003eRace line\u003cbr\u003e\u003cbr\u003eRace Line\u003cbr\u003e\u003cbr\u003eTechnology\u003cbr\u003e\u003cbr\u003eHerFit Harness, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, MaxO2 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, Durable and Lightweight Fabrics, Max02 System, UltrAcool System\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eERGOFIT - The human body is complex with intricate detail and function. The same attention to detail is present in the design of our packs to enable precise movement, contact, and weight distribution which ensures that there is never any inhibition to the biomechanics of the human body.\u003c\/li\u003e\n\u003cli\u003eMAX02 WAIST SYSTEM - The Max02 System is a shock cord securing system that helps create a comfortable \u0026amp; natural breathing pattern while at the same time keeping the pack secure. The shock cord allows for stretch outward and 100% rebound which keeps the pack snug against your body empty or fully loaded with no restriction of movement. 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0 (NOT INCLUDED).\u003c\/li\u003e\n\u003cli\u003eULTRACOOL LIGHT MESH - This flex mono mesh remains very lightweight during long and hot endeavors. Breathable yet durable, this mesh’s build quality adds resilience to your pack without compromising weight.\u003c\/li\u003e\n\u003cli\u003eULTRACOOL LIGHT MESH - This flex mono mesh remains very lightweight during long and hot endeavors. Breathable yet durable, this mesh’s build quality adds resilience to your pack without compromising weight. Weight: 11.2 oz (318g).\u003c\/li\u003e\n\u003cli\u003eVERSATILE VEST - The Legacy 2.0 Race Vest is a versatile pack that can meet entry level through championship needs: Safety stitched bar tack on all stress points; Quiet, bounce-free, easy to see and use, zipper pulls; Zig zagged stitching over elastic for ultra-durability, increased stretch and rebound; Plush feeling micro-fiber polyester edges, soft and non-abrasive against skin and clothing; Silicone and PU coated feather-weight nylon fabrics resist water, abrasion, and tears\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2021-08-31T16:45:52-05:00","created_at":"2021-05-03T14:59:38-05:00","vendor":"Ultraspire","type":"Running \u0026 Fitness","tags":["100-150","size-default-title","ultraspire"],"price":10995,"price_min":10995,"price_max":10995,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":39317731770470,"title":"Default Title \/ Default Title","option1":"Default Title","option2":"Default Title","option3":null,"sku":"GRV509350","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Ultraspire Legacy 2.0 Unisex Lightweight Hydration Pack - Fluid Capacity 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0 (Not Included), Universal Size - Default Title \/ Default Title","public_title":"Default Title \/ Default Title","options":["Default Title","Default Title"],"price":10995,"weight":0,"compare_at_price":null,"inventory_quantity":4,"inventory_management":"shopify","inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1289\/1975\/products\/medium_a6cf040b-2e00-461e-b7ea-8fcf3984e730.jpg?v=1626223536","\/\/cdn.shopify.com\/s\/files\/1\/1289\/1975\/products\/medium_c99a26d2-7da5-4a64-aa0f-2baeb880f6b6.jpg?v=1626223537","\/\/cdn.shopify.com\/s\/files\/1\/1289\/1975\/products\/medium_1fc75486-e49c-4fb0-b97e-b5089c01841d.jpg?v=1626223538","\/\/cdn.shopify.com\/s\/files\/1\/1289\/1975\/products\/medium_31c28a42-539d-4606-9859-c3e12f6de404.jpg?v=1626223539","\/\/cdn.shopify.com\/s\/files\/1\/1289\/1975\/products\/medium_b968d32a-2b5f-451e-9b5f-0f9a207edaee.jpg?v=1626223540","\/\/cdn.shopify.com\/s\/files\/1\/1289\/1975\/products\/medium_3361807b-e8da-4169-b95c-e99281161c0b.jpg?v=1626223541"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1289\/1975\/products\/medium_a6cf040b-2e00-461e-b7ea-8fcf3984e730.jpg?v=1626223536","options":["Color","Size"],"media":[{"alt":"Ultraspire Legacy 2.0 Unisex Lightweight Hydration Pack - 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36’), MD (32” - 38”), LG (34” - 42”)\u003cbr\u003e\u003cbr\u003eSM (31” - 36”), MD (34” - 39”), LG (37” - 42”)\u003cbr\u003e\u003cbr\u003eSM (26”- 35”), MD (32”-38”), LG (38”- 46”)\u003cbr\u003e\u003cbr\u003eUniversal Size\u003cbr\u003e\u003cbr\u003eHydration Included\u003cbr\u003e\u003cbr\u003e1 x 2 L Reservoir\u003cbr\u003e\u003cbr\u003eNot Included - Compatible (not included): 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0\u003cbr\u003e\u003cbr\u003e1 x 2 L Reservoir\u003cbr\u003e\u003cbr\u003eNot Included\u003cbr\u003e\u003cbr\u003eNot Included\u003cbr\u003e\u003cbr\u003e550 mL UltraFlask\u003cbr\u003e\u003cbr\u003eCapacity\u003cbr\u003e\u003cbr\u003e549 c.i. (9 L)\u003cbr\u003e\u003cbr\u003e610 c.i. (10 L)\u003cbr\u003e\u003cbr\u003e854 c.i. (14 L)\u003cbr\u003e\u003cbr\u003e366 c.i. (6 L)\u003cbr\u003e\u003cbr\u003e336 c.i. (6 L)\u003cbr\u003e\u003cbr\u003e122 c.i. (2 L)\u003cbr\u003e\u003cbr\u003eLine\u003cbr\u003e\u003cbr\u003eEssential Line\u003cbr\u003e\u003cbr\u003eRace Line\u003cbr\u003e\u003cbr\u003eRace Line\u003cbr\u003e\u003cbr\u003eRace Line\u003cbr\u003e\u003cbr\u003eRace line\u003cbr\u003e\u003cbr\u003eRace Line\u003cbr\u003e\u003cbr\u003eTechnology\u003cbr\u003e\u003cbr\u003eHerFit Harness, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, MaxO2 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics\u003cbr\u003e\u003cbr\u003eErgoFit, On-The-Go Pockets, Distributed Weight, Durable and Lightweight Fabrics, Max02 System, UltrAcool System\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eERGOFIT - The human body is complex with intricate detail and function. The same attention to detail is present in the design of our packs to enable precise movement, contact, and weight distribution which ensures that there is never any inhibition to the biomechanics of the human body.\u003c\/li\u003e\n\u003cli\u003eMAX02 WAIST SYSTEM - The Max02 System is a shock cord securing system that helps create a comfortable \u0026amp; natural breathing pattern while at the same time keeping the pack secure. The shock cord allows for stretch outward and 100% rebound which keeps the pack snug against your body empty or fully loaded with no restriction of movement. 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0 (NOT INCLUDED).\u003c\/li\u003e\n\u003cli\u003eULTRACOOL LIGHT MESH - This flex mono mesh remains very lightweight during long and hot endeavors. Breathable yet durable, this mesh’s build quality adds resilience to your pack without compromising weight.\u003c\/li\u003e\n\u003cli\u003eULTRACOOL LIGHT MESH - This flex mono mesh remains very lightweight during long and hot endeavors. Breathable yet durable, this mesh’s build quality adds resilience to your pack without compromising weight. Weight: 11.2 oz (318g).\u003c\/li\u003e\n\u003cli\u003eVERSATILE VEST - The Legacy 2.0 Race Vest is a versatile pack that can meet entry level through championship needs: Safety stitched bar tack on all stress points; Quiet, bounce-free, easy to see and use, zipper pulls; Zig zagged stitching over elastic for ultra-durability, increased stretch and rebound; Plush feeling micro-fiber polyester edges, soft and non-abrasive against skin and clothing; Silicone and PU coated feather-weight nylon fabrics resist water, abrasion, and tears\u003c\/li\u003e\n\u003c\/ul\u003e"}

Ultraspire Legacy 2.0 Unisex Lightweight Hydration Pack - Fluid Capacity 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0 (Not Included), Universal Size

$109.95
Ultraspire

Ultraspire Legacy 2.0 Unisex Lightweight Hydration Pack - Fluid Capacity 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0 (Not Included), Universal Size

$109.95

Grivet Members get back an estimated $11 on this item as part of their member rewards.

Maximum quantity available reached.

More from Ultraspire

Weight

13.6 oz (386 g)

11.2 oz (318g)

16 oz (454 g)

10 oz (283g) with insert

8.0 oz (227 g)

9.4 oz (266 g) with bottle

Size range

Universal Size

Universal Size(s): 26″-48″

SM (30” - 36’), MD (32” - 38”), LG (34” - 42”)

SM (31” - 36”), MD (34” - 39”), LG (37” - 42”)

SM (26”- 35”), MD (32”-38”), LG (38”- 46”)

Universal Size

Hydration Included

1 x 2 L Reservoir

Not Included - Compatible (not included): 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0

1 x 2 L Reservoir

Not Included

Not Included

550 mL UltraFlask

Capacity

549 c.i. (9 L)

610 c.i. (10 L)

854 c.i. (14 L)

366 c.i. (6 L)

336 c.i. (6 L)

122 c.i. (2 L)

Line

Essential Line

Race Line

Race Line

Race Line

Race line

Race Line

Technology

HerFit Harness, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics

ErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, MaxO2 System, Durable and Light Weight Fabrics

ErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics

ErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics

ErgoFit, On-The-Go Pockets, Distributed Weight, UltrAcool System, Max02 System, Durable and Light Weight Fabrics

ErgoFit, On-The-Go Pockets, Distributed Weight, Durable and Lightweight Fabrics, Max02 System, UltrAcool System
  • ERGOFIT - The human body is complex with intricate detail and function. The same attention to detail is present in the design of our packs to enable precise movement, contact, and weight distribution which ensures that there is never any inhibition to the biomechanics of the human body.
  • MAX02 WAIST SYSTEM - The Max02 System is a shock cord securing system that helps create a comfortable & natural breathing pattern while at the same time keeping the pack secure. The shock cord allows for stretch outward and 100% rebound which keeps the pack snug against your body empty or fully loaded with no restriction of movement. 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0 (NOT INCLUDED).
  • ULTRACOOL LIGHT MESH - This flex mono mesh remains very lightweight during long and hot endeavors. Breathable yet durable, this mesh’s build quality adds resilience to your pack without compromising weight.
  • ULTRACOOL LIGHT MESH - This flex mono mesh remains very lightweight during long and hot endeavors. Breathable yet durable, this mesh’s build quality adds resilience to your pack without compromising weight. Weight: 11.2 oz (318g).
  • VERSATILE VEST - The Legacy 2.0 Race Vest is a versatile pack that can meet entry level through championship needs: Safety stitched bar tack on all stress points; Quiet, bounce-free, easy to see and use, zipper pulls; Zig zagged stitching over elastic for ultra-durability, increased stretch and rebound; Plush feeling micro-fiber polyester edges, soft and non-abrasive against skin and clothing; Silicone and PU coated feather-weight nylon fabrics resist water, abrasion, and tears

How To Measure Your Shoe Size

Here are the best shoe size conversion charts - in US, UK, European, and inches, for men's, kid's and women's shoes. 
 
If you've ever wondered "What size shoe is a 38?" (It is a men's size 7.5 in the US) or "What is a size 40 in shoes?" (that'd be a US men's size 9.5), read on to learn how to measure shoe sizes in different countries.
 
How do you measure shoe size? It is possible to measure your own foot using a ruler or a Brannock device, but since our feet our three dimensional, this will only approximate your measurements. After you've measured your foot, try using our conversion charts below to see what your size is. Be mindful that different brands, like Altra running shoes vs. Brooks running shoes vs. Oboz hiking boots, maybe run slightly different in sizes. 
 
Women's Shoe Size Conversions
US Sizes Euro Sizes UK Sizes Inches CM
4 35 2 8.1875" 20.8
4.5 35 2.5 8.375" 21.3
5 35-36 3 8.5" 21.6
5.5 36 3.5 8.75" 22.2
6 36-37 4 8.875" 22.5
6.5 37 4.5 9.0625" 23
7 37-38 5 9.25" 23.5
7.5 38 5.5 9.375" 23.8
8 38-39 6 9.5" 24.1
8.5 39 6.5 9.6875" 24.6
9 39-40 7 9.875" 25.1
9.5 40 7.5 10" 25.4
10 40-41 8 10.1875" 25.9
10.5 41 8.5 10.3125" 26.2
11 41-42 9 10.5" 26.7
11.5 42 9.5 10.6875" 27.1
12 42-43 10 10.875" 27.6

Men's Shoe Size Conversions

US Sizes Euro Sizes UK Sizes Inches CM
6 39 5.5 9.25" 23.5
6.5 39 6 9.5" 24.1
7 40 6.5 9.625" 24.4
7.5 40-41 7 9.75" 24.8
8 41 7.5 9.9375" 25.4
8.5 41-42 8 10.125" 25.7
9 42 8.5 10.25" 26
9.5 42-43 9 10.4375" 26.7
10 43 9.5 10.5625" 27
10.5 43-44 10 10.75" 27.3
11 44 10.5 10.9375" 27.9
11.5 44-45 11 11.125" 28.3
12 45 11.5 11.25" 28.6
13 46 12.5 11.5625" 29.4
14 47 13.5 11.875" 30.2
15 48 14.5 12.1875" 31
16 49 15.5 12.5" 31.8
Big Kid Shoe Size Conversions (7 – 12 years)
US Sizes Euro Sizes UK Sizes Inches CM
3.5 35 2.5 8.625" 21.9
4 36 3 8.75" 22.2
4.5 36 3.5 9" 22.9
5 37 4 9.125" 23.2
5.5 37 4.5 9.25" 23.5
6 38 5 9.5" 24.1
6.5 38 5.5 9.625" 24.4
7 39 6 9.75" 24.8
Little Kid Shoe Size Conversions (4 – 7 years)
US Sizes Euro Sizes UK Sizes Inches CM
10.5 27 9.5 6.625" 16.8
11 28 10 6.75" 17.1
11.5 29 10.5 7" 17.8
12 30 11 7.125" 18.1
12.5 30 11.5 7.25" 18.4
13 31 12 7.5" 19.1
13.5 31 12.5 7.625" 19.4
1 32 13 7.75" 19.7
1.5 33 14 8" 20.3
2 33 1 8.125" 20.6
2.5 34 1.5 8.25" 21
3 34 2 8.5" 21.6

FAQ & Tips

  • What if I am between shoe sizes? We recommend you should size up, especially in active & sports shoes. This includes running shoes and hiking boots. 
  • Does 0.5 size make a difference in shoes? Yes, it certainly does! Wearing shoes that are too small can cause pain and injuries. Blisters, lose of toenails and bunions can all result from wearing shoes that are even 0.5 size too small. These are common ailments of beginner runners. 
  • Is one foot bigger than the other? It is common for people to have one foot that is slightly bigger than the other. Our tip is that you should buy shoes that fit the larger foot (buy pairs of shoes in the larger size of the two). 
  • Should shoes be tight or lose? Unfortunately, this is not a simple question. Shoes should not be too tight or too lose. You should be able to put a thumbs width at the end of your toe box, between your big toe and the pointy end of the shoe. You should also be able to snuggly fit your index finger between your heel and the back of the shoe. If you have not much (or not enough!) space in either of these areas, try a different size shoe. 
  • When should I try on shoes? A great tip for runners is to try on running shoes at the end of a work day. As you run, just like when you are on your feet for work, your feet swell. You will want to try on running shoes when your feet are at their largest. This allows them to still fit comfortably after a long distance run. 
  • What size shoe should I buy? This shoe chart is not a guarantee your shoes will fit. If you are in the area of Memphis, Tennessee, run on in to one of our running specialty & gear stores and our experienced fit experts will help you out!

Image below: A Brannock device is one tool run specialists use to measure shoe size. It can measure not only foot length, but also foot width. 

How to measure shoe size - Brannock Device

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