You don’t need heavy layers to be warm. HeatFX's innovative combination of fibers 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. Featuring an "easy access" fly construction.
Fabric content- 85% polyester/15% merino wool
Made in Canada
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Great under tight pants for both gendersI bought these Heat FX for me, though I am a woman and the Heat FX longjohns are meant for men. I wanted them to wear under my tighter fitting pants, like skinny jeans. They are perfect! I am wearing them now. Nice and warm. I like them especially because they were made in Canada and have wool in them. The Bay stocks Heat FX as well but theirs have viscose instead of wool and are made in Vietnam. I am willing to pay the extra $10 for locally made clothing with wool.Reviewed by Cross dresser on 12/6/2018