Dennis Uniform sizing, a measures appx 33-inch waist for a girls’ skort corresponds to a G16, which is equivalent to a Youth Extra Large (YXL) adjustable waist. Dennis Uniform Girls Double Tab Pleated Skort. A Dennis uniform skort is a garment designed for school uniforms that combines a skirt with integral shorts for comfort and modesty, often featuring pleated designs, durable polyester or poly-cotton blends, and options like adjustable waists, double tabs, and various plaid patterns. The purpose of a skort is to provide the appearance of a skirt with the practicality and security of shorts, making it suitable for active students in classrooms or on the playground.