Men's Midweight Thermal Base Layer Bottom FS20M

Fabric: advanced 92% Polyester, 8% Spandex, 280GSM in thickness; Soft, breathable and odor resistant, making it an ideal outdoor activity companion Technical thermal treatment material helps absorb water vapor from your body and convert it into heat; Double-sided brushed for added warmth and next-to-skin comfort, no pilling and won't shrink after washing 1.57-inch wide soft elastic waistband lays flat on your waist with functional fly opening for more convenience; Self fabric cuffs effectively lock the temperature 4-way stretch fabric delivers a flexible range of motion; Crotch gusset provides enhanced mobility Flatseam construction reduces bulk and chafing Designed to help regulate your temperature during high-intensity hiking, fishing, biking, hunting and more; The fabric is in high density yet thin enough for everyday wear beneath your outer pants to stay dry and warm on chilly days