The Arc'teryx Women's Rho LT Base Layer Bottoms are designed for high-performance activities in cold conditions. These bottoms are made with a blend of polyester and elastane, providing excellent stretch and moisture-wicking properties. The flatlock seams minimize chafing, and the wide waistband offers a comfortable fit. Whether you're mountaineering, ice climbing, or skiing, these base layer bottoms will keep you warm and comfortable throughout your adventures.