Callaghan Algorithm sneakers pair a leather-and-textile upper with an ergonomic sole engineered for all-day walking comfort. They offer cushioning and stability while maintaining a versatile style suited to casual and smart-casual outfits. Key attributes: Blue | Blu | Leather and textile | Breathable lining | Ergonomic outsole for stability and comfort | Adaptive fit technology (Adaptaction) | Enhanced cushioning (XL Extralight/Adaptlite) | Removable insole | Lightweight EVA outsole | Low-top silhouette | Versatile, easy-to-style design | Dimensions & fit: Heel height: 5 cm | True to size — take your usual size | Adapts to foot width during walking (Adaptaction technology) | Composition & care: Upper: Cowhide (leather) and textile | Lining: Textile | Insole: Polyurethane and fiber blend | Outsole: EVA