The Salomon Men's Bonatti WP Pant packs inside itself for compact storage, so you can whip it out whenever rain starts pouring over the mountains. AdvancedSkin Dry equips this light and stretchy 2. 5 layer shell with reliable waterproof protection that's highly breathable for active endeavors like trail running. There are zippered ankle openings for easier on and off, and the elastic waist has an adjustment for a secure fit. The zippered stow pocket packs this pant down to about the size of your hand.