FREE SHIPPING anywhere in the US! - Response A3 Suspension allows you to fully customize the fit for optimal comfort and stability - QuickSwap 3D interchangeable harness and waistbelt with pre-curved LifeSpan EVA foam - Vented​,​ formed back panel features LifeSpan foam and a silicone lumbar grip zone - 10mm removable LumbarTune back insert offers customizable contouring for a comfortable back panel fit - SideKick ultralight​,​ removable daypack doubles as a hanging reservoir sleeve - Top-loading design features front U-zip panel for easy access - Double Barrel lid design with top dual-zip pockets features a stash security pocket underneath - SideWinder stowable bottle holster - Weather Shield® polyurethane-coated waistbelt accessory pocket with YKK® AquaGuard® zipper offers water-resistant protection for smaller items - Girth-hitched compression MultiStraps on bottom can double as a waistbelt for SideKick daypack - Dual ice axe loops and upper shock locks attach ice tools and trekking poles - Included removable rain fly stows in its own zip pocket - Durable nylon construction - Made in Philippines