The Rab Phantom Waterproof Pants deliver reliable protection when every gram matters. Designed for fast-moving adventures, these ultralight pants pack down to palm size and slip easily over trail shoes or boots when the weather turns. Made with 2.5-layer Pertex® Shield fabric, they balance waterproof performance, breathability, and stretch for all-day comfort. With an ergonomic fit and clever adjustability, they’re the go-to choice for minimalist runners, hikers, and fast-packers who demand dependable protection without bulk. Features Waterproof protection without bulk thanks to 2.5-layer 7D Pertex® Shield and ultralight taped seams. Pull-on pant style with stretch and ergonomic fit. Perfect the fit using the part-elasticated waistband with drawcord adjuster. The lower leg hem has a hook-and-loop and snap fastener, allowing you to minimise billowing and pull on/off with ease. Multi-angle reflective branding throughout. Articulated knees enable unrestricted movement for fast footwork and tricky terrain. Integrated storage solution allows you to stuff the pants away quickly when rainclouds clear.