Reliable resilient and protective our mens storm bloc with blueguard wool blend socks available as a twin pack should be part of every keen outdoor pursuits enthusiast from casual walkers to determined cross country ramblers every pair includes blueguard scientifically developed tested and proven to make our socks 30 times more durable than any standard branded walking sock these socks benefit from terry cushioning to reduce shock and fatigue an extended heel and reinforced toe seam