The Katmai 55 offers comfort and ventilation for your back and shoulders. Designed for multi-day treks, it is made with Polygiene Stays Fresh technology, which prevents microbial growth on the back panel and avoids the appearance of bad odors. When you're out and about, you'll be able to quickly retrieve the things you need because this backpack has a pole holder; a place for your sunglasses on the shoulder straps; a SideWinder side bottle holder, so you can retrieve your water bottle with one hand; and a Speed Clip system for easy access to your hydration system (not included) Features : Volume: 55LMaterial: 210D High Density 40% Recycled Nylon and 420D High Density 45% Recycled NylonLining: 135D Polyester with DWR treatment without PFCPole or ice axe holdersQuickStow system: sunglasses holder on shoulder strapsLower zippered sleeping bag compartment with removable dividerSideWinder side bottle holder: quick access with one handHydration system compatible with Speed Clip attachment systemFloating top pocket with large zippered compartmentStretchy mesh side pocketFreeFloat suspension: breathable 3D foam back panelStays Fresh" Polygiene technology: prevents microbial growth on the back panelDual density self-pivoting shoulder strapsChest strap and waist belt for better weight distributionComes with a rain cover (86 g)Dimensions: 77 x 32 x 42 cmMaximum load: 20.4 kgWeight : 2120 g Backpack Gregory ---Katmai 55 Empire Blue