Brenthaven’s ergonomic backpack provides ample storage space and versatility for the active and urban professional. Featuring multiple pockets and an expandability option, this case can support all of your essential items for work and play. It has 5 sided protection along with bottom foam protection that fits your notebook up to 15.4". With a front organizer pouch for your cell phone and accessories, you will never run out of space! The Trek BP has also now been upgraded with a sleek iPod pocket on the back webbing along with extra contoured shoulder straps. There is a removable mesh pocket in the front for carrying gym clothes, tennis shoes, your bike helmet, etc! This backpack has it all and most importantly, it also embodies our ‘zero impact’ strategy, which means Brenthaven promises to invest in Green projects that offset any impact we have on the environment. Feel good while you’re buying a Brenthaven. Fits MacBook Air, MacBook 13.3 and MacBook Pro 15.4