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Back 1.5cm across at narrowest and side 2.5cm deep
Enhancing anatomical pouch has a flatstitched seam for perfect shape
Made from one piece of microfibre for an ideal fit
Beautifully fine fabric kisses the skin
They've improved on perfection by reengineering their famous X3D designs – now this men's underwear string brief introduces a whole new wearing experience. Ergonomic male underpants that may look tiny but have a whole lot of advantages for your manhood.
Fabric
89% Polyamide, 11% Spandex
Reviews
93% of 100
"Outstanding thong. I sized up to a M as usually wear a small in the bikini brief and the M thong is so comfy. Amazing fabric and pouch. "
- David Walker-Smith,January 2023
"Wonderful fit and very comfortable material, perfect for everyday wear (which I do) I've bought a couple of pairs now and they're great quality and cheaper than on ergowear's own website so that's a bonus "
- Stu,December 2022
"The x3D thong has been my favourite for years so I was interested to feel if the x4D really was better. I think it is.
Sizing is consistent with the x3D and the flat stitched seams are great for comfort. The x4D has the enhancing lift but doesn't leave things quite as 'proud' as the x3D. Better under suit trousers. The fabric is most like the original x3D line but feels like there is a little more elastic stiffness in the fabric, giving a more premium feel. I have a new favourite thong."