DetailsMountain Khakis Men's Size Chart Whether the equator is on your itinerary or simply in your mind, the Mountain Khakis Equatorial Short is along for the ride. Now with added stretch to take on your most demanding adventures. Their super high-density weave (abrasion-resistant) nylon is UPF 40+ (blocks 97% UVB rays), DWR (Durable Water Repellant), quick-dry, lightweight and packable. 6 pockets with mesh liners, including 2 zip security pockets and signature zippered side seam pocket. Inseam action gusset. Relaxed fit. 100% nylon.