Arc'teryx Alpha SL Anorak vs Mountain Hardwear Stretch Ozonic Rain Jacket
Weight and specs compared for 2026 — and which one to choose.
Minimalist ultralight Gore-Tex Pro hardshell, 10.8oz, emergency weather protection
Men's stretch-fabric rain jacket at 10.7 oz (304g) with 4-way stretch for climbing and active movement, waterproof and breathable.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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Arc'teryx Alpha SL Anorak vs Mountain Hardwear Stretch Ozonic Rain Jacket: which should you buy?
If saving weight is your priority, the Mountain Hardwear Stretch Ozonic Rain Jacket wins — at 304 g it is 1 g (0%) lighter than the Arc'teryx Alpha SL Anorak (305 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest clothing - outer layer page, or browse the full gear weight database.