The gel-kayanoTM 31 running shoe combines maximum support with ultimate comfort for complete peace of mind. Our most advanced stability shoe yet, it's designed to help you run further for longer. And thanks to its adaptive stability and superior comfort, you'll wish the road would never end. The shoe's 4d guidance systemTM technology is a revolutionary stability system that will help stabilise your stride while running, but that doesn't mean that we've compromised on comfort. In fact, the pairing of its puregelTM technology and soft ff blastTM plus eco foam means you'll experience incredible comfort each time you hit the road. What makes gel-kayanoTM 31 running shoe so supportive and comfortable? Revolutionary 4d guidance systemTM technology delivers adaptive stability for moments when you need it most to keep you running for longer. PuregelTM technology improves softness and shock absorption to reduce the impact on your joints and keep you running comfortably. Ff blastTM plus eco foam delivers softer landing and energised cushioning to keep you feeling comfortable on harder surfaces. What else makes the gel-kayanoTM 31 shoe stand out? This shoe is designed with your protection and comfort in mind - we've spent hours testing and perfecting it at our institute of sport science (iss) in japan. The gel-kayanoTM 31 running shoe includes additional technical features to support you during your runs, which you'll find listed under 'tech & features' below. Colour: blue