The Timbuk2 Spire MacBook Backpack is currently offered by Amazon for $51. Normally, as you find now at Timbuk2 selling $69, the offer today is good for a 25 percent discount, is $16 under the previous mention and marks a new all-time low for Amazon. The Spire Backpack can hold up to 15-inch MacBooks to keep your gear organized. Inside is an integrated organizer for charging equipment and the like. Outside, there is also external webbing to attach various accessories alongside elasticized side pockets for water bottles. All is wrapped in waterproof nylon. Over 540 clients rated 4.6/5 stars.
630D Oxford Nylon
Laptop pocket fits 15 inches MacBook and iPad
Large main compartment for books, jacket, and other carries on essentials and internal organizer for pens, phones, and other small stuff
Ventilated back panel to give your back breathing room
Custom-fit strap design for a truer, more comfortable fit, including removable sternum strap and one strap bottle opener for party tricks and quick refreshment
Elasticized external side pocket for water bottle or U lock