Funded twice. We're back. And cooler. "Threw out my old undies!!! All 24 of them." (a real review) It's not magic. It's biology.
Check on Kickstarter




Stud Briefs: men’s underwear with a 3-in-1 crotch mesh that cools, separates and supports. 2-packs from CA$59 (about US$21 a Stud), free worldwide shipping, 90-day size and fit guarantee, ships December. Pick your pack from the rewards.







MEET THE NUT-CRACKERS.



































Sources for the science
Sperm count: Levine H, Jørgensen N, Martino-Andrade A, et al. Temporal trends in sperm count: a systematic review and meta-regression analysis of samples collected globally in the 20th and 21st centuries. Human Reproduction Update. 2023;29(2):157–176. doi:10.1093/humupd/dmac035
Testosterone: Lokeshwar SD, Patel P, Fantus RJ, et al. Decline in serum testosterone levels among adolescent and young adult men in the USA. European Urology Focus. 2021;7(4):886–889. doi:10.1016/j.euf.2020.02.006
Heat: Zorgniotti A, Reiss H, Toth A, Sealfon A. Effect of clothing on scrotal temperature in normal men and patients with poor semen. Urology. 1982;19(2):176–178. doi:10.1016/0090-4295(82)90575-1

