Callaghan Algoritmo is a walking-focused sneaker that pairs Callaghan’s adaptive comfort technology with a leather-and-textile upper for lightweight, all-day cushioning. Model confirmed as "Algoritmo" (designer ID: CALCE). Key attributes: Gray | White | Leather and textile | Adaptive comfort technology | Cushioning and stability for walking | Lightweight EVA sole | Removable insole | Lace closure | Textile lining | Low-top silhouette | Suede-effect inserts | Breathable mesh panels | Dimensions & fit: Adaptive fit — adapts to foot width during walking | Composition & care: Upper: Leather and textile | Lining: Textile | Sole: EVA | Insole: Removable (textile)