The Coastal Collection Zippered Cooler Backpack is built for rugged adventures, combining Quiksilver’s signature durability with a waterproof nylon-sealed zipper for maximum insulation and leak-proof security. Whether you're hitting the beach, trail, or mountains, this backpack keeps your food and drinks ice-cold all day with 5 layers of high-performance insulation. Waterproof Nylon Zipper – Creates a tight, leak-resistant seal to lock in the cold. Ultra-Durable 600D TPU Exterior – Water-resistant, mud-proof, and easy to clean, built for extreme conditions. Smart Storage – Bungee cord front system to quickly stash loose items like towels or hats, plus top mesh pocket for extra storage in addition to the side pockets. Ergonomic Comfort – Padded back cushion, chest buckle, and adjustable straps for secure and comfortable carrying. Adventure-Ready Features – Front loops for attaching a speaker or carabiner tumbler, plus a built-in bottle opener so you’re always prepared.