Jack & Jones MAMBO Mens Trainers in Anthracite. These trainers feature a polyester upper and lining, with a rubber sole. They have a lace-up closure and are designed for comfort and breathability. The toe shape is round, and they have a regular shoe width. Heel height is flat (under 2.5cm) and the shoe shaft height is low top, making them ideal for casual wear. Product Code: 12257190-ANTHRCT.