Montbell Altiplano Pack 30 is a lightweight, minimalist roll-top backpack designed for reliable weather protection and stable load carrying. Its seam-sealed Aqua Barrier sack and vertical volume silhouette make it suited for day hikes and travel where low weight and water resistance matter. Key attributes: Light grey | Ballistic nylon ripstop | Water-resistant interior with seam-sealed Aqua Barrier Sack | Lightweight yet durable construction | Hydration system compatible | Roll-up closure with side/top buckles | Removable Aqua Barrier Sack with taped seams | Non-waterproof front pocket | Height-adjustable chest strap | Ice axe / pole strap | Side compression straps | Side pockets for bottles or gear | Stowable hip belt | Reinforced bottom | Minimalist construction | Vertical volume silhouette | Roll-top closure | Dimensions & fit: 57x30x18 cm | 30 L capacity | Composition & care: Body: 30-denier Ballistic nylon ripstop (urethane coating) | Bottom: 100-denier Ballistic nylon ripstop (urethane coating) | Aqua Barrier Sack: 40-denier nylon ripstop (urethane coating) | Back panel: breathable 3D mesh