Key Industries Men's Big-Tall Thermal Long Underwear Bottom

No need to fish around for sleepwear style with these crab print pajama pants from Nautica.

Add an extra layer of warmth under your favorite jeans, chinos or dress pants. Signature Y-Front® thermal pant is waffle-knit to insulate for warmth and has a hint of spandex to provide a close, comfortable fit and exceptional ease of movement.

Fine 100% cotton flannel fabric

Great classic plaid (green, navy, and black)

Elastic waist | Pull tie

Side pockets

Red Polo logo on left hip (polo player)

100% waterproof, 210 denier Hypertex

120-gram polyester insulation

Full storm flap closures on zippers, pockets and cuffs

Cargo storage pockets

Elasticized ankle closures and adjustable waist