UA Storm technology delivers an element-battling, highly water-resistant finish. Tough, abrasion-resistant bottom panel.
Nike Team Training Max Air Large Backpack ($50) ❤ liked on Polyvore featuring bags, backpacks, black, school & day hiking backpacks, nike, black bag, nike backpack, water resistant bag and black rucksack
Amazon.com: Nike Male 30 Liters Backpack Bookbag in Black (BA4724-001): Sports & Outdoors
This would be perfect for school and going to the gym, I would want the grey one. It is a little pricey, so I'll have to think about it, but it would be great to have. Nike Hoops Elite Team Backpack