Available sizes: 6,7,8,9,10,11,12. Jack & Jones Shoes (Trainers) JFWMAMBO Available in men's sizes. by Jack & Jones. If you like sporty and urban fashion, here's a great pair of trainers for you from Jack & Jones! The Jfwmambo is the perfect combination of comfort and style. Do you dare try out this pair of trainers that defy the odds? How can you resist this stylish pair?! Canvas is a strong, coarse fabric characterised by its lightweight, washable qualities. Product Type: Trainers. Closing: Lace up. Lining: Polyester mesh lining for a non-transparent look. Toecap type: Round toe. Product Code: P-78688-11-- Stay stylish this season with the new in Jack & Jones trainers. Made from a comfortable PU material these trainers feature a rounded toe, a stripe design, and laces. Wear with a t-shirt and shorts for a stylish everyday look.