Base Layer Basics. The Easy Fit Light Cushion Quarter Crew sits above the ankle, is a bit softer, and not quite as snug as our original fit. Ideal for folks with wider feet, in-between sizes, or who looking for a little more volume due to sensitivity. A balanced base layer with a lightweight profile, strategically-placed LIGHT cushioning zones, and the 'custom-fit-feel&'; of our patented 'Y-Line&'; knitting structures. It&';s remarkably versatile, comfortable, and loved for all sorts of wearing occasions. Hike, Run, Walk, Train, Climb, Bike, All Day Patented Whole Foot Comfort Engineering 168N 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. Strategic cushion zones in the heel, arch and toe. Material & Care Material Our materials are crafted to optimize odor resistance, durability, breathability, stretch, and moisture-wicking. Merino Wool 66%, Nylon 32%, Lycra 2% Care To avoid pilling, turn socks inside out before washing. Machine wash in cool/cold water. Never bleach. Hang dry, or tumble dry on low heat. Do not iron.