The rear panel is waterproof to protect you from light elements, wet saddles, and sprays from the rear wheel. A Durable Water Repellent (DWR) coating is added to protect the whole short from light moisture.#3-layer waterproof breathable rear panel repels water and mudStretch ripstop fabric maximizes performance on every rideLow-profile waist adjustment system ensures a perfect fitTruDri® waistband moves moisture away from the body keeping you comfortable and dryDWR finish sheds moisture, dirt, and debris