ECCO St 1 Hybrid Derby Wingtip Oxford (Men) - BlackWith the ECCO ST. 1 HYBRID, we have taken the classic smart mens leather shoe and given it a boost with a tech infused sole for that formal look with the feel of your favorite sneaker. Made with ECCOs revolutionary PHORENE material with FLUIDFORM contouring foot system to give you a remarkably soft, ultralight midsole with rebound. We also added ECCOs SHOCK THRU heel technology to give you shock absorbency whilst you are your most active. Glove like