{"id":9743371239731,"title":"Nathan Pinnacle 18oz Insulated Soft Flask","handle":"nathan-pinnacle-18oz-insulated-soft-flask","description":"\u003cp\u003eThe Nathan Pinnacle 18oz Insulated Soft Flask, now available at Grivet Outdoors, is engineered for runners, hikers, and outdoor enthusiasts who demand reliable hydration without the bulk. Featuring advanced ExoSpine™ technology, this soft flask maintains its shape for a stable, ergonomic grip, while the insulated design keeps your fluids cooler for longer-even during intense workouts or hot-weather adventures. The lightweight, breathable mesh strap offers a secure, grip-free fit that minimizes hand fatigue, and an expandable pocket provides quick access to essentials like keys or energy gels. Made from BPA-free materials, the Pinnacle Soft Flask collapses as you drink, reducing sloshing and saving space in your pack. Whether you're tackling a marathon or a mountain trail, this flask delivers comfort, convenience, and performance in every sip.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e- 18oz (535 mL) capacity for ample hydration on the go\u003c\/p\u003e\u003cp\u003e- BPA-free, food-grade materials for safe, clean drinking\u003c\/p\u003e\u003cp\u003e- ExoSpine™ technology provides a stable, rigid hand feel\u003c\/p\u003e\u003cp\u003e- Double-wall insulation keeps fluids cooler for longer\u003c\/p\u003e\u003cp\u003e- Lightweight, breathable mesh strap for grip-free comfort\u003c\/p\u003e\u003cp\u003e- Expandable storage pocket for keys, gels, or small essentials\u003c\/p\u003e\u003cp\u003e- Collapsible design minimizes size and waste, supporting sustainability through durability and 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Nathan Pinnacle 18oz Insulated Soft Flask, now available at Grivet Outdoors, is engineered for runners, hikers, and outdoor enthusiasts who demand reliable hydration without the bulk. Featuring advanced ExoSpine™ technology, this soft flask maintains its shape for a stable, ergonomic grip, while the insulated design keeps your fluids cooler for longer-even during intense workouts or hot-weather adventures. The lightweight, breathable mesh strap offers a secure, grip-free fit that minimizes hand fatigue, and an expandable pocket provides quick access to essentials like keys or energy gels. Made from BPA-free materials, the Pinnacle Soft Flask collapses as you drink, reducing sloshing and saving space in your pack. Whether you're tackling a marathon or a mountain trail, this flask delivers comfort, convenience, and performance in every sip.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e- 18oz (535 mL) capacity for ample hydration on the go\u003c\/p\u003e\u003cp\u003e- BPA-free, food-grade materials for safe, clean drinking\u003c\/p\u003e\u003cp\u003e- ExoSpine™ technology provides a stable, rigid hand feel\u003c\/p\u003e\u003cp\u003e- Double-wall insulation keeps fluids cooler for longer\u003c\/p\u003e\u003cp\u003e- Lightweight, breathable mesh strap for grip-free comfort\u003c\/p\u003e\u003cp\u003e- Expandable storage pocket for keys, gels, or small essentials\u003c\/p\u003e\u003cp\u003e- Collapsible design minimizes size and waste, supporting sustainability through durability and reusability\u003c\/p\u003e"}
Nathan Pinnacle 18oz Insulated Soft Flask
$55.95
More from Nathan
The Nathan Pinnacle 18oz Insulated Soft Flask, now available at Grivet Outdoors, is engineered for runners, hikers, and outdoor enthusiasts who demand reliable hydration without the bulk. Featuring advanced ExoSpine™ technology, this soft flask maintains its shape for a stable, ergonomic grip, while the insulated design keeps your fluids cooler for longer-even during intense workouts or hot-weather adventures. The lightweight, breathable mesh strap offers a secure, grip-free fit that minimizes hand fatigue, and an expandable pocket provides quick access to essentials like keys or energy gels. Made from BPA-free materials, the Pinnacle Soft Flask collapses as you drink, reducing sloshing and saving space in your pack. Whether you're tackling a marathon or a mountain trail, this flask delivers comfort, convenience, and performance in every sip.
Features
- 18oz (535 mL) capacity for ample hydration on the go
- BPA-free, food-grade materials for safe, clean drinking
- ExoSpine™ technology provides a stable, rigid hand feel
- Double-wall insulation keeps fluids cooler for longer
- Lightweight, breathable mesh strap for grip-free comfort
- Expandable storage pocket for keys, gels, or small essentials
- Collapsible design minimizes size and waste, supporting sustainability through durability and reusability
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, loss 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 loose? Unfortunately, this is not a simple question. Shoes should not be too tight or too loose. 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.
