Details, Size & Fit. The Navy Check Mod Jacket by Jack London is The perfect mixture of subtle and statement. When worn with bright accessories it is perfect for Spring Racing, when paired with a dark tie and shoes you'll be The most dapper guy at The office. Our Model wears a size 50. He is 6’2’’ (189cm) tall, with a 77.5cm waist and 104cm chest. Single button closure Notch lapel Straight flap pockets Welt chest pocket 4 mock buttons at cuff Single centre back vent Dry Clean Only.Material: 70% Wool, 20% Elastic Polyester, 10% Polyester.SKU: JA108AA34YMF.