Lightweight Running Hydration Vest Breathable Mesh Cycling Jogging Water Bottle Backpack Description Made of water‑resistant nylon, size 40×29 cm, available in black. Honeycomb breathable mesh back reduces sweat and stuffiness Multiple pockets for 500‑ml water bottle, phones under 7 inch and daily gear Adjustable chest & waist straps, shoulder reflective strips for night‑time safety Silent smooth zipper and top carry‑handle design Ultra‑lightweight, suitable for running, cycling, hiking, outdoor sports #Vest #Breathable Mesh #Cycling