LIGHTWEIGHT WITH CUSHIONING - Lightweight and strong with a thin layer of cushioning along the base of the foot. Our most versatile version. True Seamless technology allows for invisible seam fusion for an ultra-smooth, invisible feel. Micro Crew Height: A shorter, more compact variant of the classic Crew height. Just high enough above the shaft of a classic hiking boot. Material: knitted with 54% nylon, 43% merino wool, 3% elastane. Fast moisture wicking wicks moisture away from the skin, so no more sweaty and smelly socks. Soft and breathable merino wool dries quickly and provides optimal comfort in any weather, keeping you cool in summer and warm in winter. - - - - Made in the USA with yarns sourced from America and around the world. Each pair of socks is made in Vermont, the perfect testing area for premium all-season socks with first-class performance.