This layering socks set includes four pairs of socks designed for warming and insulation, aimed at promoting warmth and addressing cold sensitivity. 【How to Use】 Layering is recommended to maximize the cold-reducing effects. This helps prevent coldness from the feet and maintains comfortable warmth. 【Materials and Design】 Designed for a soft and comfortable fit. - Product Name: Layering Socks 4-Pair Set - Quantity: 4-pair set - How to Use: Recommended for layering to reduce coldness and provide warmth - Materials: 100% silk five-finger socks 100% cotton five-finger socks 100% silk round-toe socks 100% cotton round-toe socks - Size: Free Recommended for people of all ages, including those with cold sensitivity, those trying to conceive, those who are pregnant or postpartum, and the elderly. Free size, so suitable for men as well.