High brilliance reflective visibility with an up-to-date look and minimalist feel! Up to 40% more reflective area than standard running vests. 360° visibility and is fully size adjustable for both height and waist size. Independently top rated. Up to 40% more reflective area than most standard running vests. Front and rear reflective booster zones and full 360º reflectivity. Soft, chafe-free stretch strap construction for superior ease-of-movement. Airy patented construction won’t trap sweat. Front access quick-clip release for fast on-and-off. Easy size adjustment for height/waist-wear over a t-shirt or parka .