Description of The North Face Interval 30 Backpack Providing supreme ventilation in a rugged, athletic design, this 30 liter pack is ideal for all-day hikes. Designed with a unique trampoline mesh back panel and comfortable Airmesh pods on the hip and shoulders, this top-loading pack features readily accessible pockets so you don't have to stop to reach for a snack, or trail map. Features: X-Vent Plus™ trampoline mesh back panel mapped with Airmesh pods Sturdy, lightweight aluminum X-frame® Large, easy-access panel load Vertical zippered stash pocket with organizer Hypalon®, reinforced lash points and compression Hydration compatible with padded universal sleeve Stretch woven side water bottle pockets Stretch woven shoulder harness electronics pocket Sliding sternum strap with Safe-T whistle Refective hits X-Vents™ Plus provides supreme ventilation in a rugged, athletic design Avg Weight - 2 lbs 5 oz (1050 g) Dimensions - 21" x 15.5" x 10" (53 cm x 39 cm x 25 cm) Fabric - 210 Cordura® nylon ripstop Fit Range - M: 16" – 20" (41 cm – 50 cm) Standard Volume - 1830 in³ (30 liters)