The Rab Phantom Pants Unisex are the ultimate choice for those seeking lightweight and compact running pants. Designed for mountain runners and thru-hikers, these pants offer exceptional waterproof protection without adding bulk. Their featherlight construction ensures they are barely noticeable, making them an essential addition to any outdoor enthusiast's gear. With a focus on breathability and packability, these pants are perfect for tackling unexpected weather conditions while on the move. Featherlight and highly packable, ideal for mountain running and thru-hiking Waterproof protection with 2.5-layer Pertex Shield technology Ergonomic fit with stretch for easy movement Adjustable waistband and lower leg hem for a customized fit Reflective branding for enhanced visibility Articulated knees for unrestricted movement Fluorocarbon-free for an eco-friendly choice Technical Features Hydrostatic head: 20,000 mm Breathability (MVTR): 20,000 g/m²/24 hrs Weight 84 g (3 oz) size M Size and F