Gamma MX Hoody Women's

$280 ~~$400~~ In stock

A new premium warmest weight stretch woven softshell jacket from Arc'teryx made with durable nylon woven on the outside, and with a soft, warm, comfortable micro fleece-like feel on the inside. Perfect for all of your coldest weather alpine hiking, climbing, mountaineering, and backcountry skiing when a lightweight or midweight softshell jacket just isn't warm enough. Also great for wearing underneath your ski jacket for colder weather lift skiing or as your outermost layer by itself for spring lift skiing and snowboarding. This is the warmest softshell jacket available from Arc'teryx, and will also become one of your favorite jackets to wear around town on cooler weather days.

Details

Fortius 2.0™ 4-Way Stretch 60d Plain Weave 84% Nylon, 16% Elastane Stretch Softshell Fabric with 100% Polyester Fleece Backer.
Taped Seams
FCO DWR Durable Water Repellent Finish
Fully Adjustable Climbing Helmet Compatible StormHood™ with Laminated Brim
Full Length Front Zipper
2 Zippered Hand Pockets
External Zippered Chest Pocket
Shaped Cuffs with Low-Profile Elasticized Cuff at Wrist
Drop Back Hem with Adjustable Drawcord
Articulated Patterning
Wind and Weather Resistant
Breathable
Stretchy
Lightly Insulated
Durable
18 oz (510 g)

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Chloe G. ★★★★★ Oct 22, 2026

The inside fleece is noticeably warm without being bulky, and the stretch woven fabric moves well when I reach up or bend down. Handled a chilly morning walk with just a tee underneath.

Madison ★★★★★ Oct 21, 2026

I've been wearing this jacket on windy fall hikes and the stretch woven fabric blocks most of the chill while still letting me move freely. The outer nylon feels tough against branches, and the inside is noticeably warmer than my old softshell.

Steven F. ★★★★★ Oct 19, 2026

The woven shell shrugs off wind like nothing else I've tried, and the fleece backing keeps me toasty on chilly morning walks. It's become my go-to layer for days when I can't decide between a jacket and a sweater.