These comfy socks are an essential all year round our freshfeet technology keep feet fresh by combating the bacteria that cause odours style freshfeet with silver technology plan a cotton added stretch care and composition composition pair1 3 72 cotton 16 polyamide 10 polyester and 2 elastanenpair2 4 67 cotton 31 polyamide and 2 elastanenpair5 83 cotton 15 polyamide and 2 elastane care instructions machine washable tumble dry keep away from fire and flames