The Signature Impact Guidance System and patented Guidance Line enhance your natural gait while allowing it to be as efficient as possible on a running shoe designed with triathletes in mind. Glow-in-the-dark elements at the heel and toe allow safer training while an open mesh upper allows triathletes to hit the last leg without socks. Color(s): pink/ coral/ multi. Brand: ASICS. Style Name: ASICS 'GEL-Noosa Tri 7' Running Shoe (Women). Style Number: 388617.