I ordered a Coolibar neck/face UV shield from Amazon, cut off the neck portion with a inch or so remaining, then sewed the remaining neck fabric to the face part to create a closed mask for the rules. It’s not a germ safe mask by any means, FYI.

Coolibar UPF 50+ Men's Women's Vermilion UV Layered Mask - Sun Protective https://www.amazon.com/dp/B07MQ6GQYF/ref=cm_sw_r_cp_api_glt_fabc_R6EA9HDSSM2HQXQGW2RD