The Arc'teryx® Rho Bottom come in a lightweight Torrent™ stretch fleece construction that is made with wicking yarns and provides warmth & performance stretch. The higher mid-rise design with a wide waistband is designed for comfort and easy layering. The laminated zippered thigh pocket is sized for smartphone and merrow seam construction reduces bulk and enhances comfort. The next-to-skin fit aids thermal efficiency and fabric performance and articulated patterning and gusseted crotch allow mobility and comfort.