Stio Men’s Basis PeakWool Midweight Tight
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The Stio Men’s Basis PeakWool Midweight Tight is a high-performance base layer bottom built for cold-weather comfort, durability, and all-day wear under ski gear or hiking layers. Made with Stio’s PeakWool™ blend of merino wool, TENCEL™, nylon, and elastane, it delivers a strong balance of warmth, moisture management, and stretch for active winter use. Designed to sit close to the skin, it helps trap heat efficiently while still allowing breathability during movement-heavy days outdoors.
- PeakWool™ fabric blend combines merino wool, TENCEL™, nylon, and spandex for warmth and durability
- Midweight construction ideal for skiing, snowboarding, hiking, and cold-weather layering
- Moisture-wicking and quick-drying properties help regulate comfort during activity
- Naturally odor-resistant merino wool keeps gear fresher over extended wear
- Four-way stretch design supports mobility under outer layers
- Flatlock seams reduce chafing for next-to-skin comfort
- Athletic, close-to-body fit designed for efficient heat retention and layering
- Built for cold conditions where reliable insulation and breathability both matter




