High Degree Top Nylon. Dedicated laptop compartment holds most laptops with up to a 14.1 Inch screen. Zippered front pocket organizes your cell phone, MP3 player, cords and other accessories. Adjustable shoulder straps includes a strap management system to keep excess strap rolled up and out of the way. A felt-like, scratch resistant pocket in the top is ideal for sunglasses or touch screen mobile phone. Files remain crisp and unbent in their designated pocket, separated from your electronics. Front pocket stores bulky power cords neatly in the bottom and out of the way.