Technical MTB Shorts with a Waterproof Rear Panel The Ranger Water Shorts are water-resistant mountain bike shorts with casual styling. The 3-layer breathable rear panel is waterproof to protect you from water and mud, wet saddles, and sprays from the rear wheel, while a DWR coating is added to protect the shorts from light moisture. Getting the perfect fit is easy, thanks to the low-profile waist adjustment system, while performance and mobility are assured thanks to the stretch fabric.