- Brand: Polo Ralph Lauren - Size: M - Color: Black Size M Measurements (laid flat): Waist (cm): 33 Side Length (cm): 28.5 Leg Opening (cm): 21.5 The size is a Japanese size, not a US size. There may be slight variations from the actual size. We consider a tolerance of ±2cm acceptable. Slight shrinkage may occur due to washing. The color of the product may differ slightly from the photos depending on your monitor or environment. This is a new, unused item, but it has been stored at home, so we appreciate your understanding.