REI has their Co-op Trail 25 Backpack for Mens in black and for Women in black, dried rosemary, or true teal for $27.89 (regularly $79.95) for a limited time.

The REI Co-op Trail 25 Backpack features a U-shaped panel with 2 zipper sliders that offer quick access to gear and total access when fully open, padded mesh-covered straps and back to keep you cool and comfortable, internal HDPE frame sheet that adds structure and helps shield your back from any protruding gear, side mesh pocket with elastic closure for quick access, lid has a zip pocket on the underside for your keys and valuables, special fasteners on the back to hold trekking-pole tips down low and pole shafts up high, inner sleeve and tube port for a hydration reservoir, and removable waist straps. The women’s model offers a contoured foam in the harness that provides a women-specific fit.