DETAILS: All the great features of our Big Student, plus a sleeve for a 15 inch" laptop and synthetic leather base & trim. Go ahead, say it: That's cool. BENEFITS: EXTRA LARGE CAPACITY, Plenty of space to stash lots and lots of stuff, WATER BOTTLE POCKET, Stay hydrated on your daily adventures, PREMIUM DETAILS and FABRICS, and A little something special went into this pack. FEATURES: , Ergonomic S-curve shoulder straps, Fully padded back panel, Side water bottle pocket, Internal 15" laptop sleeve, Cord pullers, Two large main compartments, Pleated front stash pocket, Web haul handle, and Premium synthetic leather bottom and trims. SPECIFICATIONS: STYLE: JS0A2SDD, CAPACITY: 2100 cu in/34 L, DIMENSIONS: 17.5" x 13" x 10"/43 x 33 x 25 cm, FABRIC: 600 Denier Polyester/Synthetic Leather, WEIGHT: 1 lb 5 oz/0.6 kg, LAPTOP DIMENSIONS: 13.4" x 11.8" x 1"/34 x 29 x 3 c.