Lame: Lugging your gear to a workout in a plastic shopping bag. Overkill: Looking like you coordinated your backpack to your hoodie to your shorts to your sweatband. Just right: Rocking a gym bag that's sporty, functional, and cool. That's where the Lightweight Performance Frequency Backpack comes in. With design cues from our Faas lightweight running shoes – and, yes, the bag's light, too – it's outfitted with everything you need, from a laptop sleeve, to hits of reflectivity, to pockets galore.