The adidas women’s X9000L4 ‘White Sky Tint’ features enhanced energy return via a full-length Boost midsole, equipped with an extended heel to accommodate a smooth transition through each stride. Underfoot, an adaptive-traction rubber outsole is based on computer-generated data to deliver superior grip on various surfaces. The upper utilizes engineered white knit textile, accented with reflective silver detailing for added visibility during nighttime runs.