The RUSH72™ is engineered to be a full featured 72 hour bag that provides ample space for gear and accessories while remaining rugged and reliable enough for extended excursions or tactical deployments. Compatible with 5.11® Tier System , and the Rush Tier Rifle Sleeve , the pack features unmatched storage capability, a wrap-around MOLLE and SlickStick-compatible web platform, adjustable shoulder and sternum straps, a 60-oz. hydration pocket, and durable, water-resistant construction. It's a back pack built to be ready for anything.