Under Armour

It's tough, holds all your stuff, looks great, feels good on your shoulder, and has zipper pulls that double as hair ties. Dimensions: 17.9"W x 11.7"H x 5.7"D; Volume: 16 L

12.1"W x 11.4"H x 24.6"L; Volume: 58L

Tough, light, and water rolls right off. What else do you need? Dimensions: 6.7"W x 18.5"H x 12.2"L; Volume: 26.5 L