I didn't understand why this picture got reported until my friend @jessvillmmf told me that the speedos look transparent on the first glimpse 🙈 just to clarify…
Speedo Eco Pro LT Hex Breaker Swim Brief Black 7052103-001 at International Jock
Thin Transparent Underwear Low-Waist Mens Bikini Swimwear Swimsuit Swim Pool | eBay
Transparent Speedos | LPSG
Shop Speedo Women's Lifeguard Swim Suit Short at Recreonics
Men's clear shorts from MaverickSwim, Amazon make a splash
Transparency/see thru a PLUS in speedos [Archive] - Speedo Fantasy Board - Mens Swim Suit Board - Briefs, Bikinis, and More
Speedo Womens Lifeguard Swim Suit Hipster Bottom at Recreonics