Released in January 2019, the adidas UltraBoost 19 'Refract' sneaker marks a new chapter in the renowned UltraBoost series, being the fifth edition of this innovative line. Departing from the traditional UltraBoost design, the 2019 iteration embraces a variety of enhancements, notably a contemporary translucent caging system and a sleek Primeknit 360 upper, crafted with motion weave technology for enhanced durability. Remaining true to its roots, this sneaker retains the beloved Boost cushioning technology, ensuring optimal comfort and support for the wearer.