These comfy socks are an essential all year round our freshfeet technology keep feet fresh by combating the bacteria that cause odours style fitankle plan a cotton added stretch freshfeet with silver technology care and composition composition pair 1 5 72 cotton 26 polyamide and 2 elastane pair 2 3 4 83 cotton 15 polyamide and 2 elastane care instructions machine washable tumble dry keep away from fire and flames