100% Cotton.COMFORTABLE & EASY TO PUT ON - These mens toe socks are made of superior cotton,comfortable and soft for your toes and feet.The Toe Part is very Stretchy and Durable,not too tight or too loose.Toe socks reduce friction from your toes rubbing against each other,helping some feet problems.NOT ONLY ONE SIZE - Elasticity makes our mens five finger socks well-fitting to most people,and they keep up on the leg comfortably for full day,our men toe socks are sized 7-10(US) and sized 10-13(US) to meet different needs.NO MORE SWEATY FEET - Rich cotton material has strong sweat function, mesh construction makes your feet dry and cool even in hot summer, it does great job for those do exercise a lot everyday.DURABILITY - Seamless stitching and reinforcement at the toe and heel,you can wear them long time without painfull blisters, well fit as athletic socks for running,hiking or outdoor training exercise.CLASSIC PATTERN DESIGN - These finger toe socks have ankle band,easy to put on and stay in place all day.Classic pattern design adds vibrant color and fun compare to regular socks.WASH TIPS- Hand/machine washing in cold water and air dry,heat in the dryer is not advised,please kindly know cotton fabric would be little washing shrinkage.