The Calvin Klein Birk is a polished oxford for all occasions featuring a leather upper, apron toe design, and a cushioned footbed for optimal comfort. Lace-up closure with blind eyelets. Smooth man-made lining. Stacked heel and man-made outsole. Imported. Measurements: Weight: 1 lb Product measurements were taken using size 11.5, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.