Engineered to withstand the elements and haul the extra long days. Weather resistant Breathable and ergonomic Quick-access pockets Interior organization HitchPoint(TM) Grid Water reservoir sleeve also fits up to 13" laptop Product Features: OVERVIEW - The largest size in our lineup that holds it all and protects your gear with a durable, weather-resistant DryHide(TM) Shell. The largest loads stay balanced with adjustable straps, and an added mesh back panel provides an extra layer of comfort. Quick-access pockets keep everything in place and the hydration reservoir compatible pocket keeps hydration on hand. WEATHER RESISTANT - The backpack that can keep up with the daily commute and any outdoor pursuit. Built with an ultra-durable DryHide(TM) Shell, RF welded seams, and PU coated zipper, belongings stay safe from the elements. BREATHABLE AND ERGONOMIC - Removable waist and chest straps balance your load and adjust to fit just right. The ComfortComb(TM) mesh back panel adds another layer of comfort and keeps air moving while you are on the move. QUICK-ACCESS POCKETS - Keep hydration on hand with grab-and-go pockets and your small essentials secure, dry, and at-the-ready. INTERIOR ORGANIZATION - Pack and protect your valuables with stretch-woven internal storage. The interior sleeve holds up to a three-liter hydration reservoir in place. HITCHPOINT(TM) GRID - Outfit your pack with HitchPoint(TM) Grid compatible essentials like the SideKick DryA(R) Gear Case or RamblerA(R) Bottle Sling for maximum readiness.