Fabric: 100% Royal Alpaca Wool
Fabric Dye: Low Impact Dyes (GOTS)
Fabric Finishing: Silicone (OEKO-TEX)
Thread Dye: Reactive Dye
Label: 100% Organic Cotton
Label Ink: Synthetic (GOTS)
Men's Alpaca Wool Base Layer
300 Lightweight Half-Zip
Men's Alpaca Wool Base Layer: 300 Lightweight Half-Zip
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Alpaca vs Merino
Alpaca Wool outperforms Merino.
Alpaca fibers evolved in the harsh Peruvian Andes over millennia, to keep you protected on any adventure.
Unique Semi-Hollow Fibers:
• Lighter Weight
• Higher Insulation
Smoothest Fiber Scales:
• Moisture Wicking
• Softer without Felting
High-Performance Fiber
Pack lighter, travel farther.
Get the most out of nature with the ultimate performance fiber. Explore the outdoors clean and dry, with naturally anti-bacterial and temperature regulating Alpaca Wool.
❊ Anti-bacterial & Odor-resistant
↻ High sweat-wicking
☁ High breathability
☀ UV - Protection
✓ Light & durable
Microplastic-Free World
We put a stop to plastic pollution.
It is our mission to make clothes that allow you to explore nature without contaminating it with microplastics.
This is the first step in making our entire catalog petroleum-free and biodegradable.
We use only biodegradable materials:
• 100% Royal Alpaca Wool Fabric
• 100% Cotton Threads
• 100% Cotton Labels
Size & Fit
Size & Fit
• Regular Fit
• Model wears Black Base Layer size M
• Model is 6'0", has 41.7" chest and 31.5" hips
Shipping & Returns
Shipping & Returns
Worldwide shipping and returns are eligible.



















LESS WEIGHT, LESS WASHING
The Best Hiking Wool Base Layer
When exploring, it's important to have a lightweight warm base layer that will wick moisture from your skin, so you stay comfortable all day. With our zip-neck's versatile design, the wool base layer can be used as a ski base layer, but also looks stylish in the city. Made from 100% Royal Alpaca Wool, our base layer is naturally odor resistant, keeping you smelling clean after skiing or hiking the outdoors. Made sustainably, this wool fleece is the best choice for all adventures.

NATURAL HIGH-PERFORMANCE
The Lightest Thermal Base Layer
For thousands of years, alpacas have been adapting to extreme environments of the Andes Mountains, where temperatures range widely. The harsh highland conditions created the ultimate outdoor fiber, designed to keep you protected, clean, and comfortable.
LEARN MORE ABOUT ALPACA PERFORMANCE
