When the temps are in the single digits and you know the conditions are going to be bulletproof, slip into the Patagonia Capilene Thermal Weight Bottoms before heading to the hill. The soft and stretchy Polartec Power Grid fabric keeps you super warm, while its open-grid pattern allows for breathable performance and moisture-wicking comfort. It's got a smooth face for easy layering, and Polygiene anti-odor treatment to fight off post-ski funk and keep your garment fresher for longer. Flatlock seams minimize chafing and the gusseted crotch provides the comfortable mobility you need for long day on the slopes.