Seirus Heatwave Sock Liner Black

Any activity. Any shoe.

The Seirus Heatwave Sock Liners are the perfect base layer for all outdoor activities! Exclusive Heatwave thermodynamic lining stars as a comfortable, 4-way stretch sock, letting you increase the heat of any footwear. Kinetic energy pushes moisture out and heat is retained using the reflective material that makes up the inner lining of the sock.

• Dual-stage heat retention
• Active wicking and reflective warmth
• Best warmth, feel, and fit
• Lightweight support
• Over-the-calf fit
• Thin, form-fitting 4-way stretch