As the name suggests, EVERYDAY PILE socks are designed to make you eager to wear them every day. Each pair is knitted with a low-gauge knitting machine that is hard to find today with fuzz-resistant thick organic cotton yarn called 'compact yarn. The comfortable brushed sole and gentle fit give less stress. With the not-too-long length, this pair can be worn in many seasons. Avoid tumble drying, as it may cause shrinkage. 86% Cotton, 8% Nylon, 5% Polyester, 1% Polyurethane Made in Japan Style: R1520Size Chart:| Size | M | L || -------------------- | --- | ----- || Approx. UK Shoe Size | 7-9 | 10-12 |. Color: blue