Washing tips: Bamboo fiber will be much softer after the first wash. We suggest you wash them before you put them on. Compares the cotton socks, bamboo socks look smaller but they are super stretchable.The fabric is durable and sustains its softness even through multiple washes. Moisture Wicking & Breathable: Bamboo is widely considered as a more renewable source than cotton. The average temperature of our bamboo socks is 2 degrees lower than cotton socks.Therefore bamboo socks are going to help keep your feet cool & dry,thereby helping you avoid infections. Ideal for sweaty feet and smelly feet. Fabric made from bamboo is lightweight and extremely soft. Bamboo fabric is smooth and comfortable to touch feel,and easy to put them on and off. Especially suitable for the people who need continuously sit or stand,pregnant women and old people. Soft-Stretch extra wide top not tight or binding at all. Slips on easy over ankles but do not decline,no more marks on legs from socks. Smooth no-irritating seam toe to enhance your everyday comfort and keep your toes and blood circulation in top shape. Cushioned sole brings super comfort touch for diabetic patients’ sensitive feet. Material: 71% Bamboo,20% Nylon,7% Polyester,2% Spandex. Machine Wash. bamboo.