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.
Two-layer engineering
Traps air between layers providing a natural barrier of warmth
Full button front Union Suit with single button rear flap
Inside Layer: 100% combed ring spun cotton
Outside Layer: 65% combed ring spun cotton, 25% MERINO WOOL, 10% Nylon
Fabric weight: 6.6 oz.
Tagless design and flat seams provide smooth fit and extra comfort
Soft cotton next to skin
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
