Zpacks Trail Cool JoggersZpacks Trail Cool Joggers Zpacks Trail Cool Joggers are designed to handle everything from thru hikes and trail runs to travel days and casual city wear, delivering performance without compromise. Made with advanced Japanese Toray PrimeFlex fabric, these joggers combine exceptional durability with a soft, smooth feel and 4 way stretch that moves effortlessly with your body. The result? A barely there feel that's breathable, quick drying, and built to