I can't believe no one has mentioned them yet. PERRI'S! I've got 18-19 inch calves and wear their XL half chaps. They go up to 3XL. I own their zip-up brown suede ones for daily use and their black leather ones (used for schooling shows this year). They are very affordable and have held up great.
Perris Leather Rider Apparel » Half Chaps » Adult
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