Fastpack Micro Crew Lightweight with Cushion Size:M a stainless steel split-ring attachment

a stainless steel split-ring attachment

side knit panels and back leg waterproof zippers complete with lockdown sliders

Use as single-wall lightweight cup or lightweight double-wall cup

Includes system carrying bag with pocket for regulator

improved durability and mesh zones

Fastpack Micro Crew Lightweight with Cushion Size:M a stainless steel split-ring attachmentThink we'd half step on our most colorful hike sock yet? Top foot breathability, fatigue relieving arch support, extended Achilles cushioning, plus a sleek upper that'll stay put vertical mile after mile are just part of the package. Lacing up in at the trail head to topping out at the summit, the Men's Fastpack hike sock matches our most trusted durability and tech with a dapper striped look.