Amphipod Xinglet features 20% more reflective area than standard running vests in a chafe-free and breathable soft stretch construction. The revolutionary patented Xinglet includes front and rear safety zones for extra reflective visibility, reflective striping throughout with 360 degree reflectivity. Fully size adjustable both vertically and laterally providing a custom fit for both men/women from XS-XL (one-size-fits-all).