Castelli's Gear Backpack is the ultimate companion for your pre-race prep. Not only does it leave your hands free for piloting a bike or nervously pinning on numbers, but it's also got a sternum strap and a waist belt that either tucks away or straps on to keep the load balanced while you're coasting back to your car from the registration tent. The standard main compartment is supplemented with the usual collection of zippered pockets, and a bottle pocket and helmet loops provide some cycling-specific utility. Internal padded sleeves protect a laptop and a tablet, so you can drown out pre-race jitters with some last-minute data analysis (boring) or online videos of Gilbert dropping the hammer in the Ardennes (our preference). It's also water- and stain-resistant, so your media devices won't be fritzing out in the start/finish village while you're grinding through a sodden deluge during the finale.