Our underwear comes in five sizes: S, M, L, XL, 2XL, and chest circumference corresponding to 27.6-29.1, 29.1-30.7, 30.7-32.3, 32.3-33.1, and 33.1-33.9 inches, respectively. Waist circumference corresponds to 24.4-26.3, 26.3-28.2, 28.2-30.1, 30.1-32, and 32-33.9 inches, respectively. The lengths correspond to 23.6 to 24.5 inches, 24.5 to 25.5 inches, 25.5 to 26.4 inches, 26.4 to 27.4 inches, and 27.4 to 28.4 inches respectively. For a pleasant shopping experience, please carefully read the size information before purchasing and choose the size that suits your own body shape