- Reliable Heat Retention: Made of 1x1 rib-knit fabric, our mens long underwear offers a snug, yet stretchy fit; Ribbed collar and cuffs help keep the cold out
- Soft Cotton Construction: Our tagless thermal underwear for men is constructed of 100% cotton
- Comfort-Driven Design: Mens romper-style longs johns feature a comfortable one-piece construction complete with a full-button front, one-button vertical flap seat, and set-in sleeves
- Combats Cold Conditions: Our mens thermal underwear helps you weather cold to very cold conditions during medium-exertion activities like hiking, camping, and even lounging
- Versatile Sizing: Our one-piece long johns for men are available in Tall and sizes up to 4X