About Fresh White Tee Club. You probably have white undershirts with armpit stains in your dresser right now. So did we, but we found the perfect solution. We deliver great undershirts to your door and our unique date stamp system helps keeping your shirts stain-free. Stop searching for great, affordable undershirts. Premium undershirts that are slim but not tight and don’t bunch up. Keep your armpits stain-free with our date stamp system. 100% premium combed cotton, available in crew- or v-neck. Patent-pending date stamping system.