You don’t need heavy layers to be warm. This microfibre base layer is made with HeatFX: warmth technology for lightweight layering. HeatFX's innovative combination of fibers provides superior warmth and comfort without bulk. This long underwear has specially engineered pockets inside the fibers to create a thermal warming effect next to your skin. HeatFX base layer features: moisture management to keep you dry, spandex for stretch comfort, and heat retention.
Fabric content- 41% polyester/33% acrylic/23% Viloft viscose/3% spandex
Product ReviewsWrite a Review
Great product!Hope they never change it.Reviewed by Yes on 2/16/2019
Great for short periods oursideVery comfortable. Doesn't bunch or bind. Seems to move with me like a second skin. Now I can stand out in the cold for a bit while the dogs make up their mind which bush or tree to go against.Reviewed by Acey on 12/24/2018
The better longjohn in the worldI only wear this kind of longjohns now....comfy and breathableReviewed by Polo on 9/6/2018