CONTENTS – Socks are made from 88% Cotton, 12% Spandex. They are made of quality cotton to keep your feet dry and comfortable. These breathable light weight socks are perfect for summer daily socks. ULTRA LOW PROFILE – These lightweight low-cut no show casual socks are designed to hug your feet and provide invisible feel and are ideal for summer or daily wear. They are invisible in some of your casual shoes such as boat shoes, canvas shoes, sneakers and flats. HEEL GRIP PAD – Silicon patch technology on the heel to ensure the socks stay on your feet the whole time. Not only does this grip hold the socks, it is also made out of soft gel that does not cause any discomfort on your heel. These low cut socks come with silicone heel-grip to minimize slipping NON SLIP TECH – Bottom of the feet, there are non-slip gel tab silicon. It prevents to slip and fall. 100% Satisfaction Guarantee: We stand behind our brand product, and we know these will be the best no show socks you will ever wear. If for any reason you are not fully satisfied with our quality, simply send back the socks to Amazon.com within 30 days for full refund!