The same warmth and comfort as the ORIGINAL™ Heat Holders® Crew sock

Machine washable

Thinsulate™ insulation provides extra warmth and breathability

not minutes

Heat Holders® Men's ORIGINAL™ Base Layer Bottoms are a heavy weight thermal base layer ideal for very extreme cold

Women's ULTRA LITE™ Base Layer Bottoms Chart Baselayer Wmns Bottoms The same warmth and comfortHeat Holders Women's ULTRA LITE Base Layer Bottoms are a light weight thermal base layer ideal for everyday cold. DUAL BRUSHING Supersoft HeatWeaver yarn is carefully brushed both inside and out to maximize warmth and softness. PERFECT STRETCH Our knitting technology and attention to detail produce the perfect stretch for freedom of movement and fit. FLAT COMFORT SEAMS Our carefully finished flat seams minimize bulk to create a comfortable non chafe