Men's Hike Light Cushion Pattern Ankle Socks Color:ASH-CHARCOAL The Big Zip EVO delivers

The Big Zip EVO delivers a significantly higher flow rate than previous Platypus reservoirs and a host of new features

testing standard used by U

membrane and outer material—efficiently fends off moisture

Their unique OOfoam construction absorbs shock and feels great underneath sore feet

Men's Hike Light Cushion Pattern Ankle Socks Color:ASH-CHARCOAL The Big Zip EVO deliversSmartwool's new and improved Hike Light socks, formerly PhD Outdoor, bring you enhanced features to maximize comfort and help you get after it at the highest level. PRODUCT FEATURES: 4 Degree elite fit system for a dialed in, performance oriented fit Additional body mapped mesh zones for added breathability Indestructawool technology with extended durability zones Sock Height: Ankle Virtually Seamless toe for enhanced comfort