The adidas PureBoost RBL ‘Black Scarlet’ sneaker is reimagined with an all-terrain outsole and water-repellent film for cold-weather protection. Designed with cold-weather runs in fast-paced city environments in mind, the sneaker was constructed with a focus on versatility, flexibility and support. The sneaker boasts an adaptive knit upper with a protective collar, advanced responsive Boost cushioning, and a Stretchweb rubber outsole.