- Merino Air-Con 140
- No side seams for added comfort
- Mons slim-line waistband.
The Sylvia Boyleg is a super soft brief with comfortable low leg cut that won’t ride up when you”e raising your pulse. Designed for multiple activities from on snow to the trail.Merino Air-Con is ultra-lite and ultra breathable for year round use.*Updated fit: Outside hip length reduced to help improve the shape of the leg opening.


















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