ECCO recommends you order one size down as this loafer tends to run one size larger. Complete both your professional and evening wardrobe with the regal Windsor slip-on by ECCO®. Breathable rich calf skin leather upper with tonal stitching for a clean and sleek look. Dual instep elastic goring along the vamp for an impeccable fit with each step you take. Leather interior lining helps wick away moisture, making your foot happy and healthy during long wear. Direct-injected, one-component PU outsole with TPU inserts absorbs shock and provides lightweight flexibility. Measurements: Weight: 13 oz Product measurements were taken using size 39 (US Men's 5-5.5), width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.