Mush Ultra-Soft, Odorless, Breathable Bamboo Calf Length Formal Socks (Dark Grey, 3) >Innovative Design : Give your hard-working feet the comfort it deserves with Mush Performance Bamboo socks with built-in lightweight Terry Cushion for extra comfort and with mesh design for ventilation. >Breathable & Thermo-regulating : The Bamboo fibres used in Mush socks can be 40% more absorbent than cotton fibres. Thus, Mush socks absorb the sweat from your body in a jiffy helping you keep dry with a soft and silky touch to your feet. >Casual/Formal wear : Engineered to fit the contours in your feet to perfection using a breathable fabric that offers great comfort and supports versatile athletic activities, a great choice for office & corporate meetings, indoor & outdoor sports, and everyday casual use. >Material : 85% Bamboo 10% Polyamide 5% Spandex EXTRA SOFT - Bamboo fiber is known for its softness. Spandex blended with Bamboo makes these socks the best product in softness, cushioning and impact protection. Heelium's athletic cum marathon socks are 2-3 times stronger and more durable then cotton, nylon or polyester socks.