Marmot Ledge Pack Extremely Durable 420d Oxford and 330d Dobby Weave Nylon Double Layered Bottom of Pack for Added Abrasion Resistance and Increased Durability Spacer Airmesh Back Panel and Shoulder Straps for Added Comfort and Breathability Padded Laptop Sleeve Fits Most 17" Laptops Internal Pocket Fits Most Tablets and E-Readers