Make your training runs as comfortable as possible from the superb cushioning underfoot to the gore tex waterproof upper that keeps rain out every landing is softer on your feet thanks to rear and forefoot cushioning and your foot rolls smoothly into the push off with a super speva midsole with great bounce back enjoy superb comfort from the bouncy midsole to the gel cushioning improve your efficiency with a new fore and rearfoot set up and a flex groove down the outsole that guides your f