The Yzy Bst 380 “Calcite Glow” is he model’s first-ever colorway to feature a glow-in-the-dark treatment. An October 2020 release, this new design utilizes what adidas refers to as “Calcite” or simply a cream colored white Primeknit upper with blue highlights. The material emits a neon yellow/green glow when exposed to light in the dark. As for the rest of the shoe, perforations on the either side allow for constant airflow to the foot when worn. A contrasting grey monofilament stripe runs across the upper. Adidas adds white laces for a clean aesthetic. Responsive Bst cushioning technology is embedded within the semi-translucent midsole, providing all-day comfort to the wearer.