This edition of the ECCO ST. 1 Hybrid is a three-eyelet Derby that's sleek and sophisticated but has the feel and comfort of a sneaker. It features an ultra-light PHORENE™ midsole and our SHOCK THRU technology for shock absorbency and a pleasant walking experience. This makes it an ideal choice for the office or your weekend social events. Smooth or pebbled nubuck leather crafted by ECCO that gives an elegant air with a laid-back feel Derby shoe with classic, formal features such as a leather welt but a modern feel and functionality Leather and textile lining offers inner comfort with a leather-covered inlay sole offers a stylish look and feel Soft ECCO PHORENE™ midsole offers energy return while our innovative SHOCK THRU point provides shock absorption with every step Lightweight sole provides cushioning and flexibility using ECCO FLUIDFORM™ construction Removable inlay sole provides optimal in-shoe comfort and optional extra width when taken out