Versatile and minimalist with central zone LEDs for superior visibility. • Bright strobe integrated into front and rear booster zones! • 360° reflectivity, super versatile and minimalist • Up to 100% more reflective area than standard running vests • Soft, 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 • Uniquely adjusts both for height AND waist size for the perfect fit • Includes/uses easy-to-replace CR2032 coin batteries