The Parley x adidas UltraBoost 21 ‘Carbon Sandy Beige’ is a sustainable and environmentally-friendly version of the popular performance running shoe. This edition uses earth-friendly materials and incorporates recycled and upcycled plastics. The upper, made with 50% recycled polyester and 50% Parley Ocean Plastic, is constructed using a cabled lacing system for a secure fit. The black Primeknit upper is complemented by tonal no-sew overlays and a teal-colored TPU heel counter, providing added support and style. The shoe also features a sock-like build for a comfortable fit. The cushioning is provided by a full-length Boost midsole, which offers responsive and energized strides. The outsole is made of Continental Rubber, ensuring excellent grip and durability. Overall, the Parley x adidas UltraBoost 21 ‘Carbon Sandy Beige’ is a high-performance running shoe that combines style, innovation, and sustainability.