Design Philosophy Whether riding your local woods or the urban jungle on the daily commute the Hummvee Waterproof Shorts provide versatile, durable protection from rain, mud and spray. Waterproof. This short uses a proprietary 2.5 layer waterproof, breathable fabric which achieves a fantastic balance of performance, weight and durability for everyday cycling. Clickfast Compatible. This waterproof riding short has Clickfast™ poppers on the inner waistband which allow you to be securely fix any Endura Clickfast liner shorts inside. Liner shorts all have internal padding providing improved comfort in the saddle.