Rainy weather can be the perfect running weather. Lace up in the Ultraboost Light GTX Shoes and experience it for yourself. The shoes are equipped with RAIN.RDY technology that uses advanced waterproofing materials and construction to keep the water out. A breathable GORE-TEX membrane keeps your feet dry when you splash through puddles. Underfoot is our lightest BOOST midsole yet — Light BOOST — giving back more energy than ever to keep you going strong through sprinkles and downpours. Feel the exhilaration of running in the rain.