Gregory Mountain Products Baltoro 75 Liter Goal Zero Men's Multi Day Hiking Backpack | Backpacking, Camping, Travel | Rain Cover, Hydration Sleeve & Daypack, Durable | Premium Comfort on The Trail FORMED BACKPANEL: Vented back panel features LifeSpan foam & silicone lumbar grip zone. LumbarTune insert offers customizable shape for a precise fit. Pre-curved LifeSpan foam components for precise fit. Use the SideKick as a daypack or reservoir sleeve. FREE RAINCOVER: Included removable raincover stows in its own zippered pocket. Top-loading design with front U-zip panel. Double Barrel lid design with zippered pockets on top and security pocket underneath. SideWinder stowable ergonomic bottle holster. AMPLE STORAGE TO ORGANIZE YOUR TRIP: WeatherShield hipbelt accessory pocket with watertight zip. Compression straps double as hipbelt for daypack. Dual loops and shock locks for ice tool and trekking pole attachment. Side-mounted zippered gear pockets. EASY ACCESS TO GEAR & SOLAR CHARGER: Mesh water bottle pocket. Sleeping bag compartment with removable divider. GoalZero Nomad 7 Plus Solar panel is integrated into panel on lid. Flip 10 recharger is conveniently located in top zippered pocket. IDEAL USES: Backpacking, Camping, Hiking, International Travel, Adventure Travel, Trekking, Through Hiking - WEIGHT: 5.5 lbs - DIMENSIONS: 31.5" x 19.0" x 14.5"