Dhb aeron thermalite 2 packwarm and cosy, the dhb aeron thermalite keep the icy grip of winter from getting to your feet when you're cycling. Here in a two pack, you've now got winter warmth for your feet on rotation, banishing the cold for good. The specialist thermolitereg fibres used to make these aeron thermalite cycling socks are hollow cored. This traps air against the body creating a warm barrier against the cold outer air. They also offer excellent wicking qualities to keep your feet dry and prevent you from catching a chill.stretch properties and mid foot support gives additional comfort and stability, with a reinforced seamless toe box and reinforced heel adding to a durable construction.featuresmaterial 87% polyester, 13% elastaneergonomic fitthermolitereg yarns for added insulationenhanced breathabilityreinforced heel and toe for extra durabilitymidfoot support for stabilitysock length midbuy dhb clothing from chain reaction cycles. The world's largest online bike store.