éUnit: inch Size S----waist(approx)25-26,Size M ----waist(approx)27-28,Size L ----waist(approx)28-29 ,Size XL ----waist(approx)29-30 ,Size XXL ----waist(approx)30-31 Additional information: Our boxer trunks take the design idea of fashion, personality and sports, which is full of perfect technology,excellent quality and comfortable tactility. They virtually eliminate sticking,squashing, re-adjusting and chafing. They offer the perfect technology combination for a hot day at the beach or pool.é