Step One underwear https://uk.stepone.life/
RRP is $34 AUD & they also sell in the UK and US
KEY BENEFITS
UltraGlyde: Greg created a pair of underwear with a bespoke “UltraGlyde” technology which is placed where the legs rub to stop irritation.
See the full story @ :- https://www.intouchrugby.com/magazine/step-one-underwear/