The Gill Race Team RS20 waterproof backpack is designed for any adventure that may get nautical. Whether you're sailing, kayaking, hiking, or biking, this backpack is built to keep your valuables dry even when mother nature doesnt agree. This 35L backpack is 100% waterproof with a wide opening top that rolls down and secures in place with cam buckles on either side. The heavy duty puncture proof material and welded seams ensure this bag is ready to go on any adventure. Plus, the padded and adjustable shoulder straps make it comfortable to wear.