Therm-Ic Unisex Heat 3D Insoles Size:XL Comfort and cushioning is further

Comfort and cushioning is further improved for specific uses with a complex injection-molding process using a layering process

Signature waffle outsole pattern for reliable grip since '66

non-conductive

Not compatible with classic valve models previous to 2020

this is one amazing value

Therm-Ic Unisex Heat 3D Insoles Size:XL Comfort and cushioning is furtherHigh quality heating elements to keep feet at an ideal temperature. Outer cable for perfect positioning in any footwear. F High quality heating elements Outer cable for perfect positioning in any footwear EVA foam structure S Suitable for use with Therm ic C Pack battery range only EVA foam SOLD WITHOUT BATTERIES.