Why Heat Holders® Are So Warm

THERMAL YARN
Japanese-designed, cashmere-like acrylic yarn provides high-performance insulation with advanced moisture management.

LOOPED CUSHION PILE
Innovative knitting technology produces extra-long looped cushion pile that boosts our breakthrough TOG rating!

INTENSE BRUSHING
Sock inners are thoroughly brushed to retain maximum warm air inside for all-day comfort and wearability.