Product Name : Nike JDI Swoosh Vest In Black (Men) / Nike Vests Model : Men Clothing 468 Nike JDI Swoosh Vest in Black. Always straight to the point; Nike asks you to ‘Just Do It’ with this simplistic vest. Cotton construction featuring a comfy crew neck collar with contrasting ‘Just Do It’ and Nike Swoosh to chest. Fabric: This product is 100% Cotton.Product Care: Machine wash at 30c. Do not tumble dry.