

Private Structure
The Private Structure Alpha Low Waist Harness Trunk is a fearless fusion of glossy PU leather and breathable mesh, engineered to showcase your physique with unapologetic fetish flair. The low-rise cut and 3D contour pouch sculpt and enhance, while harness-inspired metallic stretch bands trace your body in provocative symmetry. This is underwear designed to seduce, command attention, and empower confidence from every angle.
Perfect for fetish nights, circuit parties, or when you simply want your underwear to do more than cover, this Alpha Harness Trunk turns your body into the main attraction. Precision detailing, from the silk-smooth waistband to the cut-out architecture, proves why Private Structure is at the forefront of sexy, body-conscious men’s underwear.
Step into the Alpha Harness Trunk - because ordinary underwear was never your style.
Size Chart
Size Chart
Size Chart | |
Size | Waist |
S | 29" - 31" | 74-79 cm |
M | 31" - 33" | 79-84 cm |
L | 33" - 35" | 84-89 cm |
XL | 35" - 38" | 89-97 cm |
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