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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.
Cool Wicking
Technology: PURE-tech™ keeps you cool and dry every time. Intelligent design delivers superior cooling and moisture-wicking to improve the body’s core performance.
Sun Protection: UPF 50+ protects your skin against harmful UV rays.
Anti-Microbial Technology: M Shield™ zinc-based technology keeps fabrics fresh and defends against odor-causing bacteria.
Durability: Wash after wash, day after day, Pure-tech™ is proven to last and stand up to the toughest challenges.
Sizes: Small, Medium, Large, X-Large.
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
