Union Suit to 4X Big and 4X Tall
- Reliable Heat Retention: Made of 1x1 rib-knit fabric, our men’s long underwear offers a snug, yet stretchy fit; Ribbed collar cuffs help keep the cold out
- Soft Cotton Construction: Our tagless thermal underwear for men is constructed of 100% cotton
- Comfort-Driven Design: Men’s 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 men’s thermal underwear helps you weather cold to very cold conditions during medium-exertion activities like hiking, camping, and even lounging
- Reliable Heat Retention: Made of 1x1 rib-knit fabric, our men’s long underwear offers a snug, yet stretchy fit; Ribbed collar cuffs help keep the cold out
- Soft Cotton Construction: Our tagless thermal underwear for men is constructed of 100% cotton
- Comfort-Driven Design: Men’s 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 men’s thermal underwear helps you weather cold to very cold conditions during medium-exertion activities like hiking, camping, and even lounging
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