The Nike InfinityRN 4, with its cushioning designed for supportive and fluid runs, offers a fresh spin on a well-loved favourite. This sneaker is all about comfort and performance. With a Flyknit upper, a roomier toe box, and ReactX foam cushioning for those smooth runs. Plus, it's super supportive, has a curved outsole for efficient strides, and a springy feel thanks to its energy return. And don't sweat the weather - its water-repellent toe liner has got you covered. Flyknit Upper, ReactX Foam Cushioning, Foam Collar, Water Repellent Toe Liner, Rubber Waffle Outsole. Nike Running Men's Nike React Infinity Run Flyknit 4 Sneakers in Wolf Grey/Black, Size UK 6 | END. Clothing