Women-specific shoulder straps and back panel 15'' laptop sleeve Large main compartment with simplified internal organization Two water bottle pockets Sternum strap with a buckle Dimensions: 12'' x 8'' x 18'' (30.5 cm x 20.3 cm x 45.7 cm) Volume: 1220 in³ (20 liters) Laptop Sleeve: 12.5'' x 11'' (31.8 cm x 27.9 cm) Excellent condition, offers welcome, I ship within 24 hours.