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 socks 1 5 70 cotton 28 polyamide and 2 elastane socks 2 4 76 cotton 22 polyamide and 2 elastane socks 3 61 cotton 37 polyamide and 2 elastane care instructions machine washable tumble dry keep away from fire and flames