J.B. Field's KIDS "30 Below XLR" Merino Wool Thermal Sock (XS/S) Color:Red Materials: Exterior is 100% acrylic

Materials: Exterior is 100% acrylic / Interior is 100% Polyester

2% Lycra Spandex

moisture wicking and temperature regulation

Key upgrades over the 30 Below Classic include a double cuff for better sock retention and added arch and ankle support to prevent slippage and bunching

25% Spandex

J.B. Field's KIDS "30 Below XLR" Merino Wool Thermal Sock (XS/S) Color:Red Materials: Exterior is 100% acrylicThe J. B. Fields "30 Below XLR" merino wool thermal sock is ideal for kids who spend a lot of time outside in cold weather and is perfect for winter sports. With a heavy weight, full cushion, and soft Merino wool, they will keep your children's feet warm and comfortable in the most extreme conditions. The only difference between these socks and the "30 below Classic" is the double cuff (socks stay up better) and ankle arch support (prevents slippage