Does Hemlock Hat Co. make custom hats? Hemlock Support August 19, 2019 23:08 Updated Unfortunately, we do not make custom designs or patches for our hats. Related articles My hat is tight, am I able to stretch it? Are the hats UPF protective? Are you taking on new wholesale partners? Are your hats waterproof? Where/how should I store my hat? Comments 0 comments Article is closed for comments.