Polarmax Men's Double Layer Tight Base Layer Pants - Made with a special 2-layer soft jersey knit, these thermal base layer pants are sure to keep you warm when you need it most. Elastic waistband Gusset eases movement and reduces seam bulk Horizontal fly front Spun polyester is slightly brushed for extra softness Double layer traps air between layers for extra warmth Flat seam construction for seam strenth and longevity Versatile for sports or everyday warmth needs Midweight warmth with a relaxed fit Moisture management 100% polyester Style: PM1103