MOUNTAINTOP 50L/60L Hiking Backpack with Rain Cover ZIPPERED FRONT ACCESS- Quickly access at the front that you can flip it and easily get into the main compartment. DAISY CHAINS- You can hook carabiner on it as an attachment. Ice axe, hiking poles, tripod and selfie stick can also looped on the chains. 8 COMPRESSION STRAPS- For tying up your pack or hanging sleeping bag, tent, hammock, and other camping or hiking gears. Elastic bands on them can keep the extra strap from dangling all around the backpack,best travel mate. HYDRATION SYSTEM COMPATIBLE- Hydration access on a side of the pack with water bladder sleeve in the main compartment. Top-Ranking Material make from YKK zipper and YKK buckle Korea nylon