This subversive energy of the sacai Spring/Summer 2027 runway collection was grounded underfoot through a major collaboration with BIRKENSTOCK. Blending sacai’s penchant for multi-layering with BIRKENSTOCK's heritage craftsmanship dating back to 1774, the collection debuted a hybrid, multi-strapped silhouette that fuses iconic models like the Boston clog and Arizona sandal into a singular, multidimensional form. In classic Chitose Abe fashion, the design ethos refuses stillness, stacking functional details by altering the upper into radical double and triple-strapped buckle layouts over neutral tones of black, beige, and slate grey.Elevating the partnership into the realm of wearable fine art, select runway iterations of the hybrid suede sandals flaunted custom, intricate patterns designed by the legendary tattoo artist Dr. Woo. Renowned globally for his hyper-detailed, fine-line geometric ink work, Dr. Woo's signature motifs inject a mystical, subcultural pulse directly onto the soft footwear canvas. The inclusion perfectly mirrors the broader thesis of sacai's SS27 collection—proving that establishment classics gain entirely new, rebellious force when intercepted by contemporary cultural disruptors.This footwear was accompanied by a matching utility bag, lined in the same premium taupe and black suede found on the sandals, featuring BIRKENSTOCK’s signature bone-pattern outsole across the exterior bottom and finished with an adjustable orthopedic-style strap and square buckle. Referencing BIRKENSTOCK’s orthopedic roots and functional heritage centered around adjustability and fit, the structural accessory bridges the gap between high-fashion experimentation and utilitarian reality, ensuring the avant-garde design functions flawlessly on the street.