Columbia offers the Columbia Outdoor Adventure 38-Liter Backpack in several colors (Charcoal pictured) for $89.90. Plus, Greater Rewards members receive free shipping. (Not a member? It's free to sign up.) That's $55 off and the lowest price we could find. It features reflective safety accents, compression straps, external security pockets, an adjustable hip belt, integrated pack rain fly, and trekking pole attachments. Deal ends February 28.