Outry Direct via Amazon offers the Outry Lightweight 15-Liter Backpack in several colors (Gray/Green pictured) for $22.99. Coupon code "DP4GPUZB" cuts it to $11.95. With free shipping for Prime members, that's $11 off list and the lowest price we could find. It features breathable back padding, adjustable shoulder straps, water resistant polyester material, and two compartments. Deal ends January 30.