{"id":9447851917619,"title":"Smith Optics Altus Unisex Snow Helmet","handle":"smith-optics-altus-unisex-snow-helmet-2","description":"You love a good storm day as much as carving under blue skies. The Smith Altus ski and snowboard helmet lets you adjust the venting on the fly to match the weather conditions and your output. Of course, it brings safety innovations including zonal Koroyd and MIPS for the confidence to get after it in any snow conditions, too. It's light enough for backcountry missions and cuts a classic profile.\n\u003cbr\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFit: XT2 lining offers sweat-activated odor control. VaporFit Snow dial adjustment system offers 270-degree fit adjustment with the turn of a dial.\u003c\/li\u003e\n\u003cli\u003eIntegration: Designed for ultimate integration with Smith goggles for maximum comfort and venting. AirEvac ventilation system integrates with Smith goggles for fog-free lenses. 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The Smith Altus ski and snowboard helmet lets you adjust the venting on the fly to match the weather conditions and your output. Of course, it brings safety innovations including zonal Koroyd and MIPS for the confidence to get after it in any snow conditions, too. It's light enough for backcountry missions and cuts a classic profile.\n\u003cbr\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFit: XT2 lining offers sweat-activated odor control. VaporFit Snow dial adjustment system offers 270-degree fit adjustment with the turn of a dial.\u003c\/li\u003e\n\u003cli\u003eIntegration: Designed for ultimate integration with Smith goggles for maximum comfort and venting. AirEvac ventilation system integrates with Smith goggles for fog-free lenses. Regulator climate control allows easy, one-handed vent adjustment. Removable, audio-compatible ear pads.\u003c\/li\u003e\n\u003cli\u003eProtection: Lightweight in-moId construction fuses the exterior shell and EPS foam for a one-piece design that's lightweight and durable. Zonal Koroyd coverage for lightweight, energy-absorbing and ventilated impact protection. MIPS Protection System reduces rotational forces caused by angled impacts. Regulator climate control allows easy, one-handed vent adjustment.\u003c\/li\u003e\n\u003cli\u003eWeight and Certification: 16 oz \/ 450 g. ASTM F 2040, CE EN 1077:2007 CLASS B.\u003c\/li\u003e\n\u003cli\u003eIncluded: Smith helmet bag.\u003c\/li\u003e\n\u003c\/ul\u003e"}
Smith Optics Altus Unisex Snow Helmet
$190.00
More from Smith Optics
You love a good storm day as much as carving under blue skies. The Smith Altus ski and snowboard helmet lets you adjust the venting on the fly to match the weather conditions and your output. Of course, it brings safety innovations including zonal Koroyd and MIPS for the confidence to get after it in any snow conditions, too. It's light enough for backcountry missions and cuts a classic profile.
- Fit: XT2 lining offers sweat-activated odor control. VaporFit Snow dial adjustment system offers 270-degree fit adjustment with the turn of a dial.
- Integration: Designed for ultimate integration with Smith goggles for maximum comfort and venting. AirEvac ventilation system integrates with Smith goggles for fog-free lenses. Regulator climate control allows easy, one-handed vent adjustment. Removable, audio-compatible ear pads.
- Protection: Lightweight in-moId construction fuses the exterior shell and EPS foam for a one-piece design that's lightweight and durable. Zonal Koroyd coverage for lightweight, energy-absorbing and ventilated impact protection. MIPS Protection System reduces rotational forces caused by angled impacts. Regulator climate control allows easy, one-handed vent adjustment.
- Weight and Certification: 16 oz / 450 g. ASTM F 2040, CE EN 1077:2007 CLASS B.
- Included: Smith helmet bag.
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.
