The sun, the sky, mountains, all on your socks. Teton Too is based on FITS&'; most popular ORIGINAL FIT style. A balanced base layer with a lightweight profile, strategically-placed LIGHT cushioning zones, and the 'custom-fit-feel&&';; of FITS&'; patented 'Y-Line&&';; knitting structures. While we call it a light hiker, it&&';;s remarkably versatile, comfortable, and loved for all sorts of wearing occasions. Hike, Run, Walk, Train, Climb, Bike, Move & Groove All DayPatented Whole Foot Comfort Engineering 144N Knit with a fine gauge merino wool for temperature regulation and ultimate softness. Wicks moisture, dries fast, and resists odors. Patented Free Range Toe Box ensures room for your toes while contouring around them. Patented Deep Heel Pocket wraps the foot, holds in place, and prevents blisters. Patented Upright Compression tapers to the leg&';s natural shape, stimulates blood flow, and keeps the sock from falling down. Strategic cushion zones in the heel, toe and arch.