Hydration Backpack with 2L Water Bladder f
- The KBNI hydration backpack cushions your again with mushy, but breathable Airflow Mesh. The waist strap will be adjusted to suit 26.77” to 45.28” (68 – 115cm) waist sizes while the chest strap has a 11.81” (30cm) adjustable size to go well with pretty giant chest sizes. Moreover, the chest strap has a vertically adjustable vary of 5.9” (15cm).