The Urban Day-Tripper Small Backpack- Green is the perfect companion to your next adventure. This durable backpack is ready for action. When you you need to pack the essentials and all of your gear for an amazing day hiking, out on the seas, or when you are sight seeing on that trip of a lifetime. The Urban Day-Tripper Small Backpack- Green features alot of compartment storage space in such a compact design. The bottom and sides of the backpack can be utilized as a modular system. The two best and most needed features of the backpack are the large Padded Hydration Bladder compartment on the back with a hook and loop enclosure, and the adjustable strap systems that make carrying the backpack all day comfortable.