The Mountain Top 2200 Backpack was built to be a highly versatile hunting daypack that will fit your essential gear. Integrated drop out bow/rifle attachment system. Padded protection wings and expandable pockets provide secure and safe passage for expensive optics and tripods. The stowaway canvas pack shelf allows you to make one heavy meat trip out. Made from lightweight, water resistant ripstop fabric. The unique padded mesh air-flow back support system will keep your back cool and comfortable. Includes hydration bladder and rain-fly. 2200 Cubic Inches Padded Mesh Air Flow System with Internal Frame Support Top Loader with Roll Top Closure Front Zip Access for Dual Entry into Main Compartment Additional Front Zip Compartment Side Padded Protection Flaps with Straps and Elastic Pockets Integrated Shoulder Strap Zip Pockets Drop Out Bow and Rifle Attachment System Stowaway Pack Shelf Lightweight Ripstop Material Hydration Bladder Drop Out Rain Fly Pass-Through Waist Belt Weight: 6.25 lbs (bladder is 0.4 lbs of total weight) Prop 65 WARNING for California