Double click image to zoom in
Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.
Hiking, climbing, or skinning uphill—the Gamma Jacket keeps you moving through rugged terrain. Wind-resistant and water-repellent, it shields from the elements while maintaining max breathability on that final summit push. High-stretch material and articulated patterning make overhead movements a breeze, while durable face fabric stands up to rough scrambles.
Technical features
Weather resistant
Breathable
Durable
Construction
Brushed backer adds warmth and soft comfort
Recycled Wee Burly™ double-weave nylon face fabric for breathable wind resistance
Cuff & Sleeves configuration
Shaped cuffs with partial elastic provide coverage and seal out drafts
Design & Fit
Stretchy fabric allows you to move more freely
Regular fit provides freedom of movement
Garment Centre Back Length: Size M is 29"/73.5cm - Varies by size
Fabric treatment
DWR (Durable Water Repellent) finish repels moisture and is free from intentionally added PFAS
Hem configuration
Adjustable hem draw cord seals out drafts
Hood configuration
Helmet compatible StormHood™ provides full coverage without impacting visibility
Single pull adjuster does not restrict vision
Patterning
Articulated patterning for unrestricted mobility
Pocket configuration
Two hand pockets with zippers
Two chest pockets
Sustainability
Lining - bluesign® approved material
PFAS (Per- and polyfluoroalkyl substances) Compliant
Contrast - bluesign® approved material, FC0 DWR, recycled content
Body - recycled content, FC0 DWR, bluesign® approved material
Zippers & Fly configuration
No Slip Zip™ front zipper
Size
XS, S, M, L, XL, XXL
Weight
395g / 13.9 oz
Fit
Regular
Activity
Rock/Boulder/Hike
Model
X000010940
Manufacturing facility
Pt. Yongjin Javasuka Garment Ii (Hojeon), Indonesia
We are a Seattle, WA based outdoor gear store with a mission to make climbing, backpacking, skiing & mountaineering accessible and enjoyable for everyone.
© 2026, Master Store
