Have used this pack twice and it’s just a bit too big for my needs, fits in over head compartment and qualifies as a carry on! Just as comfortable in overhead storage as it is in train cars, the Osprey Porter 46 travel pack is the is versatile weekender that offers the simplicity of a gear-hauling duffel. 46 liters 2,807 cubic inches Fits 15 inch laptop with dedicated laptop sleeve Recycled 500-denier nylon packcloth 21.5 × 14 x 9 inches 3 Ibs. 4.2 oz. Unisex