Inov-8 say: The EXTREME THERMO SOCK HIGH is a neoprene sock designed for winter running when the temperature is cold and underfoot conditions are wet. The sock acts as an insulating layer allowing water in and holding it there where the water then heats up to keep the feet warm. The ankle cuff is seam-free which reduces pressure on the leg and allows a close fit without irritation.

• Insulating properties of neoprene
• Ideal for cold and wet conditions
• Perfect for running and hiking

Increased Comfort & Durability

• Delivery increased compression aiding blood circulation and reducing swelling. Utilising fast-wicking and durable materials ensures the sock will last the test of time.

Winter Ready

• By acting as an insulating later, the neoprene sock ensures the feet remain warm, even in the coldest/wettest months of the year.