fits true to body. if you prefer a looser fit, size up.
measure around your natural waist — just above the hips, snug not tight. tolerance ±2.5 cm.
Size Chart — Briefs & Boxer Trunks
Applies to: Y Brief · X Brief · V Brief · X Boxer Trunk · W Boxer Trunk · H Boxer Trunk · all Bundles
| Size |
Waist (cm) |
Waist (in) |
EU |
UK / US |
| XS |
59–63 |
23.2–24.8 |
42–44 |
26–28 |
| S |
64–68 |
25.2–26.8 |
44–46 |
28–30 |
| M |
69–73 |
27.2–28.7 |
46–48 |
30–32 |
| L |
74–78 |
29.1–30.7 |
48–50 |
32–34 |
| XL |
79–83 |
31.1–32.7 |
50–52 |
34–36 |
| 2XL |
84–88 |
33.1–34.6 |
52–54 |
36–38 |
How to Measure
Wrap the tape around your natural waist — just above the hips. Keep it snug, not tight. Measurements may vary ±1 inch (±2.5 cm) due to fabric stretch and manual measurement.
Fit Notes
SIGNAL — TransDRY® (Y Brief, X Brief, X Boxer Trunk) — close-cut athletic fit. Sits at the natural waist. Designed to move with the body. Size up if between sizes.
SCULPT — Cotton Spandex (V Brief, W Boxer Trunk, H Boxer Trunk) — soft everyday fit, slightly more relaxed through the hip. True to size for most.