Plaid&Plain Men's Beachwear Set of Short Sleeve Linen T Shirt and Shorts Plaid&Plain is a registered trademark in USA,the registered No. is 86909916. Please buy from Plaid&Plain, then we can gurantee the product and service. Machine washable Materials: linen & cotton blend Lightweight & breathability Please refer to the last image on the left or the product description below where the size chart is. If You want to loose fit, you had better order one step larger size than your original size