2.5-layer Merrell Opti-Shell waterproof, breathable fabric keeps you dry and comfortable. Merrell M-Connect three in one hidden snap-in system eliminates, bulky zippers. 94% polyester / 6% elastane (shell). 100% polyester grid reinforcement (shell). 10,000 mm/10,000 g/m2/24hr. 100% 20 denier polyester (liner). DWR finish. 800 fill premium goose down (liner). Fully seam-sealed. 2.5 layer soft shell-like fabric has soft supple face and tons of stretch. Fully laser cut and bonded pocket zippers. Rugged and water resistant YKK Vislon PU zippers. Liner packs into inside pocket. Concealed zip pocket on left forearm. Integrated liner and shell pit zip system.