Roomy Compartment?: Dimension is 18.11" x 5.9" x 12.6" and laptop slot size is 14.6" x 10.2" x 1.1"(Measure your laptop to judge if fit ). The main compartment with padded sleeves for most 14.1 inch laptops and 15.4 inch Macbook
Comfortable to carry?: Adjustable padded shoulder straps for optimal comfort and ergonomic support. Nice padding on the back with an area to let circulate to keep your back cool
Water Resistant Backpack?: This bag utilize waterproof process and the bottom was made of rough leather material, which make this bag water resistant