HighSierra.com has a great deal on their backpacks. My daughter has had one for years and it still holds up well! Prices are as low as $19.99 and then you can use code BOGO to buy one and get one 50% off. That means 2 backpacks for just $29.99 or just $14.99 each! Great deal!
Shipping is $3.99 per order or free over $79.