You don’t need heavy layers to be warm. HeatFX's innovative combination of fibres provides superior warmth and comfort without bulk. This long underwear features a blend of Merino wool and polyester that works to keep you warm, dry and comfortable.
HeatFX base layer features: moisture management to keep you dry, antimicrobial for freshness, and merino wool for warmth.
Fabric: 85% polyester/15% merino wool
Made in Canada