Knit a bit thicker, the Medium Hiker adds cushion and warmth to a still slim profile. Allover cushioning, increased durability, and the ‘custom-fit-feel’ of our patented knitting structures make this sock an essential part of any serious gear list. Stay thru. Hike, Run, Climb, March, Move Engineered for Whole Foot Comfort Knit with a fine gauge merino wool for temperature regulation and ultimate softness. Wicks moisture, dries fast, and resists odors. Free Range Toe Box ensures room for your toes while contouring around them. Deep Heel Pocket wraps the foot, holds in place, and prevents blisters. Tapered Compression stimulates blood low and keeps the sock from falling down. Extra nylon in high abrasion zones for added durability.