Lee Cooper Flannel Shirt Junior Boys. Junior Boys Lee Cooper Flannel ShirtKeep things casual for your little one with the Lee Cooper Junior Boys Flannel Shirt. Crafted with long sleeves, a straight down collar, full button closure and button cuffs this shirt is great for everyday wear with it's classic styling. The look is completed with a top pocket and Lee Cooper branding.> Boys Flannel Shirt> Check all over design> Long sleeved> Straight down collar> Full button closure> Button cuffs> Top pocket> Regular fit> Lee Cooper branding> Machine washable