Perfect for hiking and other adventures, the Marmot Arch Rock Convertible Pants have articulated knees, a crotch gusset, and an elasticated waistband. Regular fit. Lightweight, abrasion-resistant nylon blend stretch performance fabric is lightweight, breathable, and quick-drying for maximum comfort. Sun protection with an ultraviolet protection factor (UPF) of 50. PFC-free water-repellent coating keeps you dry. Elastic waistband with adjustable belt. Gusseted crotch for easy movement. Articulated knees for full mobility. Pants zip off to convert to shorts. 94% nylon, 6% elastane. Machine wash, dry flat.