You'Re Seriously Hard To Miss When You'Re Out Running Around In The Amphipod Reflective Xinglet Vest. This High-Brilliance Reflective Piece Is 40% More Visible Than A Standard Running Vest, And Easily Lets You Be Seen From All Angles. Soft, Chafe-Free, And Easy To Wear. Now You'Re Looking On The Bright Side! Waist Adjusts From 27 To 47 Inches. Elastic Allows For Another 6 Inches Of Stretch.Shoulders Adjust From 16 To 21 Inches. Versatile To Wear Over A Shirt Or Jacket Airy Patented Construction: Won'T Trap Sweat Or Weigh You Down Front And Rear Reflective Booster Zones And Full 360° Reflective Coverage Soft, Chafe-Free Stretch Strap Construction For Superior Ease-Of-Movement​​