Black male short dreads here, I wear a little stocking cap I found on Amazon.
here's the link: https://www.amazon.com/dp/B07TNYMMPS/ref=cm_sw_r_cp_apa_i_1GpNFb3D61JY5
I used to have a problem with my helmet pulling my hair out, when I put it on even before the dreads. These made it a total non issue, maybe they'll help.
One of these things
Boao 6 Pieces Helmet Liner Skull Caps Sweat Wicking Cap Running Hats Cycling Skull Caps for Men and Women https://www.amazon.com/dp/B07TNYMMPS/ref=cm_sw_r_cp_api_i_992cFbV2AGYX3
Boao 6 Pieces Helmet Liner Skull Caps Sweat Wicking Cap Running Hats Cycling Skull Caps for Men and Women https://www.amazon.com/dp/B07TNYMMPS/ref=cm_sw_r_cp_api_i_992cFbV2AGYX3