Seirus Innovation Unisex Heatwave Sock

Seirus Innovation® Unisex exclusive Heatwave™ thermodynamic lining as a comfortable, 4-way stretch sock lets you increase the heat of any footwear.

• Heatwave™ thermodynamic
• 4-way stretch
• Flat seam, form fitting construction
• Reinforced stitching for lasting strength

Size Chart:

• Men's Shoe Size: S(-6) M(8-8.5) L(9-11.5) XL(11.5-13)
• Women's Shoe Size: S(-7) M(7-9) L(9.5-12)