Description of Black Diamond Sidewinder Backpack This all-purpose Black Diamond panel loader is great for day hikes and cragging. The Sidewinder has a modified clamshell design that offers speedy access to all of your equipment so it’s not strewn around your feet. The Sidewinder has a molded-foam back panel that breathes, the polyurethane framesheet protects your back from packed hard objects and five side and top straps let you fasten gear to its exterior. Black Diamond features like a hydration port, adjustable SternumTrac shoulder straps and a waterproof zipper are what add true value to this versatile Sidewinder daypack. For the Sidewinder who excels beyond the Black Diamond. Features: Rugged panel loader ideal for day cragging Ergo-molded Suspension Ergo-molded foam back panels, waistbelts and shoulder straps are anatomically shaped to eliminate pressure points while transferring the load evenly over areas of contact. Our ergo-molded suspensions allow for a custom-fit feel with excellent support. Die Cut Hypalon Two-layer Hypalon accessory loops are incredibly durable and streamlined as opposed to the clutter of traditional webbing accessory loops. Grippy and extremely tough, Hypalon is ideal for attaching ice and snow gear to your pack. Great size for day-cragging Clamshell design offers speedy access to gear Includes rope straps, compression straps and a haul loop