Hydro Flask Unbound Series 15 Liter Soft Cooler Backpack

Built to withstand epic adventures, but light enough to carry for miles, Hydro Flask's® 15 L Unbound Series™ Soft Cooler Pack is designed to give you the coldest leakproof cooler experience without the added bulk. It offers the ultimate hands-free transport. Why carry the extra weight, when you can enjoy any adventure unbound.

• Smart Insulation keeps contents cold for up to 48 hours
• Lightest, durable cooler in its class
• YKK's® Watertight Aquaseal® zipper and welded seams ensure leakproof transport
• Durable, ultra-light and waterproof 420D nylon shell 
• Wide mouth hinged top makes for easy access and easy cleaning
• Mesh back panel and padded shoulder straps for comfortable hands-free transport
• Woven sternum strap and carry handles
• Compression molded base for unsupported self-standing
• FDA food grade, BPA-free liner
• Dry storage top pocket for added versatility
• Side pocket keeps your small essentials at the ready
• Stretch mesh pocket fits Hydro Flask bottle 
• Two welded nylon tie-down points for added stability
• Manufacturer's five-year warranty
• Recommended ice-to-can ratio by volume: 2 to 1
• Interior dimensions: 14.5"H x 9.5"W x 7"D

Hydro Flask bottles that fit into stretch mesh pocket:

• 12-24 oz. Standard Mouth Bottles
• 12-24 oz. Coffee, Wide Mouth and Kids Bottles
• 25 oz. Wine Bottle