Thorn & Horn
PRIME LAYER™ Boxer Briefs
PRIME LAYER™ Boxer Briefs
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By Thorn & Horn
Your foundation isn’t basic—it’s built for performance. The PRIME LAYER™ Boxer Briefs are engineered for men who move with purpose. Made from soft, breathable stretch fabric, these briefs offer maximum comfort and mobility without the bulk or bunch.
The no-back-seam design eliminates friction for a smooth fit that stays locked in, while the double-layered front pouch provides structured support exactly where you need it. The clean, athletic silhouette wears like a second skin—perfect under jeans, joggers, or suits.
From early grind to late-night reset, this is your go-to base layer.
No riding. No folding. No excuses.
Key Features:
Soft, stretch-knit fabric (US: 93% poly / 7% spandex | EU: 96% poly / 4% spandex)
Mid-rise fit for everyday wear
Lined front pouch for added comfort and support
No back seam – smooth finish with zero irritation
4 cm elastic waistband wrapped in fabric for a clean look
Crotch panel + reinforced stitching for long-term wear
Made to move. Built to last.
Size guide
Size | Waist | Hips | C |
XS | 29 ⅞ | 37 | 8 ½ |
S | 31 ½ | 38 ⅝ | 8 ⅞ |
M | 33 ⅛ | 40 ⅛ | 9 ¼ |
L | 36 ¼ | 43 ¼ | 10 |
XL | 39 ⅜ | 46 ½ | 10 ⅞ |
2XL | 42 ½ | 49 ⅝ | 11 ⅝ |
3XL | 45 ⅝ | 52 ¾ | 12 ⅜ |
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