AMPHIPOD Xinglet Sumo Pocket Hi-Viz Reflective VestStay ultrabright when you are running ultralight with the Amphipod Xinglet Sumo Pocket Reflective Vest. Brilliant reflective visibility in a minimalist and lightweight design with enhanced bounce-free front storage for smartphones and more! Adjustable for both height and waist size. Fits extra small to extra large. Perfect for reflective-shy runners/walkers. AMPHIPOD Xinglet Sumo Pocket Hi-Viz Reflective Vest