Our Official Ocean Race Backpack Is Versatile And Durable. The 20-liters Of Storage Includes Two Zippered Compartments With An Interior Neoprene Laptop Sleeve. The Exterior Of The Bag Is Made From 48% Recycled Polyester And Has A Pfc-free, Water-repellent Treatment To Shed Light Moisture. Additional Details Include Mesh Exterior Pockets For A Water Bottle And An Adjustable Chest Strap For A Customized Fit.