Under a pair of outer pants, the Picture Organic Milita Printed Bottom adds a stretch fleece layer, brushed on both sides. Dry Now technology wicks moisture away. A Dry Feel treatment adds an antimicrobial finish. Most of the fabric is recycled polyester. What Our Gearhead(R) Experts Are Saying:"On a long day outside, nothing bunched under my outer pants. The flat waistband and flatlock seams stayed out of the way."