Unit: inch Size XS----waiste(approx)=25-26, Size S----waiste(approx)=26-27, Size M----waist(approx)=27-28, Size L ----waist(approx) =28-29, Size XL ----waist(approx)=29-30 Additional information: The style is masculine and utilitarian, roomy generous cut allows flexible ease of movement. Finding the right swimwear is essential and we made it as easy as possible for your perfect swimwear! Godsen's versatile swim trunks keep you in all-day comfort and seaside style. Welcome to your order. 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.