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. Featuring a GORE-TEX membrane for when you splash through puddles. Underfoot is our lightest BOOST midsole yet — Light BOOST — for epic energy in every stride. Feel the exhilaration of running in the rain.