Dear reader I am sharing this here because I love this word, sinceriously(see what I did there hehe) and because the causes the campaign helps are awesome.
https://represent.com/sinceriously

PS. Dear reader I ordered one for myself(Just so you know dear reader if  you pick a different type of shirt you can get a solid color, instead of the white front with color sleeves. I got the gray one in the ladies t-shirt because white doesn’t stay white long around me).