Collared Plaid Shirt The collared plaid shirt features a buttoned front pocket on each side of the chest and a curved hem that falls below the hips. It has a sleek color pattern and foldable long sleeves. Throw it on over jeans or leggings for a casual look. Simply tuck it inside your jeans or a pencil skirt and put on a blazer for a semi-formal ensemble. You can even wear it with an open front by pairing it with a plain cotton tee and denims. The collared plaid shirt brings forth a splash of class with its timeless design. It blends right in with just about any style and outfit.