MTF (moisture transfer fiber) blend wicks energy-sapping perspiration away from the core. Flat seam construction for seam strength, durability, and longevity. Plush-back elastic waistband for a comfortable fit. Fly front. Gusset eases movement and reduces seam bulk. 100% polyester. Machine wash cold, tumble dry low. Imported. Measurements: Waist Measurement: 13 1⁄2 in Outseam: 40 1⁄2 in Inseam: 32 in Front Rise: 11 in Back Rise: 9 in Leg Opening: 4 1& Hot Chillys Size Guide The Hot Chillys® Pepper Skins Bottom has the ideal combination of comfort and warmth, making it the perfect baselayer choice. Relaxed fit with midweight warmth allows for easy, comfortable movement. Spun polyester fabrication is slightly brushed for extra softness.