Hyperthreads is proud to be a sponsor of the 40th Annual Mt. Diablo Challenge!

The 2023 Diablo Challenge jersey web store is now closed.  For those who have ordered and not received a jersey yet, deliver will be in mid-November.

For any questions, please feel free to contact our Northern California representative, Greg Wang (greg@hyperthreads.com). 

Hyperthreads is proud to offer the finest quality fabrics and materials in all of our products. As this is a custom item, each piece is specifically manufactured specifically for your order. Please be advised that exchanges and returns for incorrect sizing cannot be accommodated.