The Stio Men's Basis PeakWool Midweight Half Zip is a year-round, cold-conditions baselayer that manages moisture during high-output pursuits on foot, skis or two wheels. Basis PeakWool® features a highly breathable, layered construction that blends the benefits of natural and synthetic fibers for premium, buttery soft comfort. The PeakWool® fabric offers soft, ultra-fine merino wool next-to-skin to wick moisture, and a quick-drying polyester outer that adds strength and durability. The classic zip-neck design provides added coverage and quick ventilation, while flatlock seams minimize chafe and ease layering.
- Hybrid synthetic and merino blend moves moisture away from the body and dries quickly: PeakWool™ Double Jersey, Double Knit Jersey, 56% Merino Wool, 23% TENCEL™, 12% Recycled Nylon, 7% Nylon, 2% Spandex, 280g/m2
- Four-way stretch provides optimal range of motion
- Structured self collar provides additional, no-fuss coverage
- Flatlock seams maximize comfort and ease of layering
- Thumbholes for easy layering
- Hanger loop on center back neck
- dYKK® semi-locking slider at center front zipper for custom ventilation
Fit and Measurements
- Trim Fit: A slim design with minimal bulk that fits close to the body
- Center Back Length: 26 3/4" (size M)
- Weight: 12.3 oz.
Find your fit: measurements refer to body measurements, not garment measurements
| Chest | Waist | Hip | |
|---|---|---|---|
| S | 37 - 39” | 31 - 33” | 36.5 - 38.5” |
| M | 39 - 41” | 33 - 35” | 38.5 - 40.5” |
| L | 42 - 44” | 36 - 39” | 41.5 - 43.5” |
| XL | 45 - 48” | 40 - 43” | 43.5 - 46.5” |
