True to size, The American big and tall full-sized mens flannel shirts include XXL,XXLT,3XL,3XLT,4XL,4XLT,5XL,5XLT,6XL,6XLT Our cotton flannel shirts are made of high quality cotton brushed flannel , soft, comfortable and durable,keep warm in cold weather Classic design and stylish looking mens shirts,casual business flannel plaid button down shirts make you look clean and fashion The big and tall mens plaid flannel shirts are suitable in many occasions including working , travelling ,parties, staying home , etc.