AmazonUnique backpack design perfect for swim-run training or racing Heavy-duty PVC coated Nylon waterproof outer material Dual air chambers inflate around contents Tows behind you for an unrestricted stroke High visibility and adjustable strap
Unique backpack design perfect for swim-run training or racing Heavy-duty PVC coated Nylon waterproof outer material Dual air chambers inflate around contents Tows behind you for an unrestricted stroke High visibility and adjustable strap