Chaco Men's Nikolai FLIP-M-M 100% Leather Imported Rubber sole The unique LUVSEAT platform is derived from a simple idea: your footwear should properly align and comfortably support your entire body Acknowledged by the American Podiatric Medical Association, the LUVSEAT platform sustains your natural anatomy and ensures superior long-term performance. Chaco creates premium quality footwear for outdoor-minded people. Chaco footwear provides excellent traction and performance across a wide range of activities and terrain, get great grip in every step.