Premium Waffle Mesh Fleece: Mens thermal pants Delta Level 2 are crafted from 100% polyester with waffle mesh fleece that creates pockets of air, providing insulation and breathability for mens thermal underwear, ensuring comfort in fleece-lined winter with underwear thermal

Designed for Extreme Cold: Built for heat retention, these men's thermal underwear bottoms are inspired by the Extended Cold Weather Clothing System (ECWCS); Thermal pants are suitable for hiking, cycling, snowboarding, and tactical purposes; Mens waffle knit bottoms keep you warm without causing overheating

Anatomical Fit for Comfort: Mens thermal pants have an elastic waistband and flat seams; Thermal pants man can trust follow natural body contour for mobility; Ideal mens thermal underwear bottoms for all-day wear during active sports

Odor Control and Hypoallergenic: Treated with silver ions, M-Tac thermal underwear reduces odor buildup and is hypoallergenic, making thermal pants suitable for those with sensitive skin or allergies

Versatile Second Layer for Cold Weather: M-Tac Delta Layer 2 Thermal Underwear create a warm layer of air next to the skin - ideal for winter; Loose waffle-knit structure of thermal underwear bottoms creates space to gather excess moisture keeping it away from skin