American Ninja Warrior Casting Mountain Vest 5.0. Run, Hike, or Climb Everyone going to the mountains needs a Mountain Vesta. Features Upgraded sliding rail sternum straps for easy single handed use Clamshell main pocket for easy access Dual quick stash upper shoulder strap pockets for chapstick, tablets, and small essentials Comfort Cinch 2. 0 more minimal, lightweight, and adjustable Shoulder strap shaping to promote weight distribution and comfortable fit Lightweight 4 way stretch with rip stop pattern for added durability Front stretch mesh pockets are phone compatible Corded elastic for external gear stash and overall compression Specifications Weight (w o Bottles): 230 g 8. 1 oz Volume: 13. 4L 818 in3 Bottles: 2 Body Bottle II 500 Materials: Flex Mono Mesh, MicroMono Mesh, 20D Nylon 66 sil pu, 4 way stretch Nylon elastane with micro rip for increased durability