Removable adjustable Vertebral Tech Shoulder Strap boasts a four-way contoured design that ensures comfortable placement on body no matter Rain-flap lid and All-Weather Cover protects the bag and its contents from rain and other harmful elements One-piece foam framing and premium-quality molded base provides superior sturdy and stable protection at critical points corners water resistance 2 side pockets 3 SlipLock attachment tabs and removeable accessory pocket provide extra storage space for cords cables memory cards Oversized locking zippers are easy to open and secure the bag with a lock not included