- 25.36 m X 18.09 m dimension(s)
- Egypt (Cairo)
The largest underpants measures 25.36 m (83 ft 2 in) across the waist and 18.09 m (59 ft 4 in) from waistband to crotch, achieved by Cottonil (Egypt) in Cairo, Egypt, on 7 March 2018.
Cottonil also made the largest tank/vest top as part of the same event. The event was for the launch of a campaign to raise awareness for prostate cancer by offering free health checks.