Humphrey Law Peruvian Baby Alpaca. Polo Signature Fly London branding is

Signature Fly London branding is seen to the foot-bed and sole

flexible Free Feel Technology™ upper feels like nothing at all

loop pile cushioning

it features an exceptional warmth-to-weight ratio

Single-button fly with faux shell logo button

Humphrey Law Peruvian Baby Alpaca. Polo Signature Fly London branding isThis truly luxurious sock is made with Peruvian baby alpaca yarn with some nylon reinforcement to provide longer wear. Baby Alpaca yarn is soft, supple and smooth containing microscopic air pockets which are perfect for retaining feet warmth. This sock is not recommended for high abrasion use such as in work boots. A Health Sock with no tight elastic top. Contents: 77% Baby Alpaca, 20% Nylon, 3% Elastane.