MIER 20 Inch Gym Bag with Shoe Compartment Men Duffel Bag, Medium, Black Perfect Size: 20.5*11*11inches, 40L, good for sports bag, working bag, overnight bag, weekend bag, or traveling bag, easy to be used as a carry on luggage under seat or in overhead bin Special Design: Unique honing pattern material let your gym bag outstanding, not monotonous; Riser vent on the front and shoe compartment keep stuff breathable; Padded and waterproof bottom Shoe Compartment: Ventilated to keep your shoes and dirty gear separate, the length is up to 12.2inches, most of shoes can be fitted in Nice constructed: 1 main roomy compartment, 1 inner zippered pouch storing for valuables, side mesh bottle pocket and side shoes compartment, all bag use "SBS" zipper Comfortable Carry: 1.4LB, adjustable and detachable shoulder straps with padding for more comfortable and anti-slip, a couple of hook and loop closure carry handles, can be used as a hand bag or a shoulder bag per your favorites