The Arc'teryx Beta SV Jacket is ¥132,000 and 480 g (men's). It sits in the Fall 2026 new arrivals as the toughest hardshell in the Beta line. If you walk exposed ridgelines in bad weather, it's a buy; if you mostly do low-mountain day hikes, the Beta Jacket below is enough.
The Gear Nerd's Pick
The Beta SV uses 100-denier GORE-TEX PRO ePE across the whole body. Thicker yarn resists abrasion, so the fabric holds up where pack straps and rock keep rubbing. That's why I count it as the first jacket for people who head into rough mountains.
Key points
- 480 g. 20 g heavier than the Beta AR and ¥22,000 more (a gap of ¥1,100 per gram)
- The whole body is 100-denier, 3-layer GORE-TEX PRO ePE, a thicker yarn than the 80-denier of the Beta Jacket
- Pit zips, a 2-way front zip, a helmet-compatible hood and even a dump pocket
Beta SV Jacket price and weight: ¥132,000, 480 g
The Beta SV Jacket (men's) costs ¥132,000 including tax and weighs 480 g. It comes in 6 sizes, XS to XXL, and is part of Arc'teryx's Fall 2026 new arrivals.
Within the Beta line, it is positioned for bad weather and mountains with rock and ice. I read it as the jacket that trades lightness for toughness.
How I judged it
The first thing I looked at was fabric thickness. The SV's body is 100-denier. The Beta AR, at a similar price, has an 80-denier body and thickens only the arms and shoulders to 100. Next I compared weight, and the SV is only 20 g heavier than the AR. What I hesitated over was the ¥22,000 gap. I still recommend it, because for 20 g the whole body gets the thicker yarn. It suits people who often walk ridgelines in unsettled weather.
Image: Rakuten Ichiba
Arc'teryx Beta SV Jacket Men's
Lowest price on Rakuten: ¥132,000 (as of 10/20). Prices change daily. For clothing, check the maker's size chart (height, chest, waist) against your own measurements. If unsure, check the shop's return and exchange terms.
RecommendedSee it on Rakuten IchibaBeta SV specs: reading the pockets and hood
| Item | Beta SV Jacket Men's |
|---|---|
| Price (incl. tax) | ¥132,000 |
| Weight | 480g |
| Body fabric | 100-denier 3-layer GORE-TEX PRO ePE (100% nylon) |
| Hood | Helmet-compatible StormHood |
| Zips | WaterTight front zip, pit zips, 2-way front |
| Pockets | 2 hand, 1 chest, 1 inner chest, and a large inner dump pocket |
| Sizes | XS–XXL (back length 78 cm in M) |
Beta SV length, cuffs and hem: how is it built?
The back length is 78 cm in M, 1 cm longer than the 77 cm of the Beta AR and Beta Jacket. The cuffs use a VELCRO closure that wraps over the sleeve, and the hem cinches on both sides to block wind and adjust the length. The lining is a lightweight MICRO-GRID that adds breathability and protects the inside from wear.
The fabric weighs 135 g per square meter, 9 g or about 7% more than the Beta AR body (126 g): 135 ÷ 126 = 1.07. The extra thread thickness shows up as only that much in the numbers.
What 100 denier means: what changes with a thicker yarn?
This is the part I'm excited about. Hardshells wear out where they get rubbed. Denier is a unit of yarn thickness; the bigger the number, the thicker the yarn. The spots where pack straps and hip belt press rub in the same place every time. The SV makes the whole body 100-denier, including those spots.
The waterproof membrane is called ePE and is made without adding PFAS. It does the same job as the older fluorine-based membranes, with a different material.
Comparing the Beta AR and the Beta Jacket
| Model | Weight | Price (incl. tax) | Per gram |
|---|---|---|---|
| Beta SV | 480g | ¥132,000 | ¥275 |
| Beta AR | 460g | ¥110,000 | ¥239 |
| Beta Jacket | 375g | ¥68,200 | ¥182 |
20 g heavier than the Beta AR and ¥22,000 more
480 g − 460 g = 20 g, and ¥132,000 − ¥110,000 = ¥22,000. That works out to ¥1,100 for every extra gram. The AR has thicker fabric only on the arms and shoulders, so if you know where your jacket gets rubbed, the AR is enough.
Image: Rakuten Ichiba
Arc'teryx Beta AR Jacket Men's
Lowest price on Rakuten: ¥110,000 (as of 10/20). Prices change daily. For clothing, check the maker's size chart (height, chest, waist) against your own measurements. If unsure, check the shop's return and exchange terms.
RecommendedSee it on Rakuten Ichiba105 g heavier than the Beta Jacket
480 g − 375 g = 105 g, and the price gap is ¥63,800. The Beta Jacket has no helmet-compatible hood and no pit zips. If you mostly do low-mountain day hikes, it is lighter and cheaper.
Image: Rakuten Ichiba
Arc'teryx Beta Jacket Men's
Lowest price on Rakuten: ¥68,200 (as of 10/20). Prices change daily. For clothing, check the maker's size chart (height, chest, waist) against your own measurements. If unsure, check the shop's return and exchange terms.
RecommendedSee it on Rakuten IchibaWhere it falls short
At ¥275 per gram, it has the highest number of the three. You are paying for toughness, so on sunny low-mountain days alone it is hard to get your money back. You can still end up with sweat inside a hardshell; the design relies on the pit zips for ventilation.
Who is it for?
It suits people who head to exposed ridgelines or snowy-season mountains, and people who spend long hours carrying a pack that rubs the fabric. If you mostly do low-mountain day hikes, the Beta Jacket is another way to go.
FAQ
How much does the Beta SV Jacket weigh?
The men's jacket is 480 g. That is heavier than the Beta AR (460 g) and the Beta Jacket (375 g).
How much does the Beta SV Jacket cost?
The official online store lists it at ¥132,000 including tax.
Should I choose the Beta SV or the Beta AR?
Choose by the body fabric. If you want 100-denier all over the body, get the SV; if thicker arms and shoulders are enough, get the AR. The AR is ¥22,000 cheaper and 20 g lighter.
What sizes does the Beta SV Jacket come in?
It comes in 6 sizes, XS to XXL. The back length is 78 cm in M.
