The Amphipod Xinglet provides high brilliance reflective visibility with an up-to-date look and minimalist feel! It has up to 40% more reflective area than standard running vests. It has 360° visibility and is fully size adjustable for both height and waist size.Easy size adjustment for height/waist-wear over a t-shirt or parka. Amphipod Reflective Pink Xinglet Vest