Macy's offers the Nike Men's Brasilia Extra-Large Training Backpack in several colors (Royal pictured) for $27.50. Pad your order with a beauty item (they start at $3) to bag free shipping; otherwise, shipping adds $10.95. That's the lowest price we could find by $8. It measures 19" x 13" x 9" and padded, adjustable shoulder straps and multiple interior and exterior pockets/compartments.