These comfy socks are an essential all year round our freshfeet technology keeps 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 80 cotton 19 polyamide and 1 elastane pair 2 3 4 81 cotton 18 polyamide and 1 elastane care instructions machine washable tumble dry keep away from fire and flames