Use code welcome20 to receive 20% off your first purchase | Free shipping on orders over $50

Opok

News

Posts tagged "boxer briefs"

Do you wear Polyester Underwear? Time to Switch Materials According to Shocking Study

Do you wear Polyester Underwear? Time to Switch Materials According to Shocking Study

The study, “Contraceptive efficacy of polyester-induced azoospermia in normal men” found that men who wore polyester underwear for 12 months became azoospermic (had no sperm in their semen). The study also found that the men who wore polyester underwear had a lower testicular volume and a higher rectal-testicular temperature difference than men who wore cotton underwear.