Polarmax Youth Double Layer Tight Base Layer Pants - Polarmax Double Layer is a favorite choice for soft, comfy children's thermal pants while protecting against the cold. Acclimate Dry Fibers to keep skin dry Spun polyester is slightly brushed for extra softness Double layer traps air between layers for extra warmth Flat seam construction for sea strength and longevity Versatile for sports or everyday warmth needs Midweight warmth, relaxed fit children's thermal underwear pants 100% Polyester Style: PM2102