Men's Merino wool socks product specification:

Size: American men 6-12 years old, American men 12-16 years old

Color: Black (custom)

Material: 53% natural Merino wool, 25% nylon, 17% polyester and 5% spandex

Ideal for: track and field, outdoor activities, mountaineering, hiking, fire training, travel and daily activities

Features: soft, compressed, breathable, non itchy, anti wrinkle, temperature regulation

Merino wool is especially good in cold weather because its heat insulation effect keeps you warm. It has higher moisture absorption than synthetic fiber, so in summer, Merino wool socks are always more comfortable than synthetic fiber socks.