The Vintage CamelBak Zoid Hydration Backpack in olive green and white is a medium-sized nylon backpack with a zip closure and two pockets. It is designed for backpacking and features a lightweight design. The backpack is part of the CamelBak Zoid series and comes with a 1-year manufacturer warranty. Perfect for unisex adults looking for a durable and functional hydration backpack for their outdoor adventures.