Features of the Gregory Alpinisto LT 38 Backpack Fusion lite suspension with removable Hdpe framesheet and thermoformed, Snow shedding backpanel Removable and linkable hipbelt pads with gear loops and completely removable hipbelt webbing Low-profile tapered harness with removable sternum strap featuring integrated safety whistle Floating top pocket with zippered security pocket on the underside and quick-release hardwAre for convenient strippability Front aluminum top pocket buckle closure that is removable Bottom reinforced side ski loops configured for a-frame carry Front ice tool attachment with durable aluminum toggle system and protected pick sleeve Front reflective attachment loops for helmet carry and gear overflow Front bungee attachment for securing gear Top rope strap with offset design for a more stable carry Large quick-pull drawstring opening Interior zippered pocket for added, secure storage when top pocket is stripped Interior hydration sleeve with universal secure buckle hanger system and hydration port Top and bottom side compression with side release buckles Double layered bottom panel for added durability Fabric Details External Material: 100% Nylon Pack Body: 100D High Density nylon, 210D High Density nylon Pack Bottom: 210D High Density nylon Lining: 40% Post-consumer recycled 135D polyester Suspension: Lifespan EVA foam