These bottoms hit the sweet spot between fabric weight, breathability and wicking performance so you can wear them on their own or under layers to stay dry and comfortable Smooth face allows easy layering; internal diamond-grid pattern rests lightly on your skin to trap warmth 100% recycled hollow-core yarn construction increases wicking performance and speeds dry times HeiQ Fresh durable odor control means less washing and longer wearing Brushed elastic sewn into the wide waistband adds next-to-skin softness and a personalized fit Gusseted crotch and forgiving stretch enhance mobility Flatlock seams minimize chafing Fair trade certification promotes safe working conditions and sustainable livelihoods Size small- like new, no signs of use, refer to REI for measurements