The I/O Bio Merino Boy Brief is a low-rise cut. The most overlooked piece of the layering puzzle and arguably the most important. Keep your derriere comfy, covered and dry. I/O Bio Merino's silky handle caresses the most sensitive skin. CLOSEOUT
- FABRIC: ENIGMA, 96% natural merino wool,
4% elastane (4-way stretch!)
- WEIGHT: 160g/m2, Lightweight, next-to-skin.

