Originally Posted by Journeyman
If their clothes fit you, you should get to Uniqlo. Their XL shirts and jackets should fit you around the chest, but the sleeves might be a bit short. Trousers and jeans usually go up to a size 38, particularly in the stores located in areas with more non-Japanese residents.
Uniqlo have chino pants, jeans, button-down oxford cloth shirts, more formal business shirts, odd jackets in a variety of patterns, colours...