Arc'teryx Ionia Merino Wool SS Men's Solitude Heather
- Dispatch on business days
- Easy returns and in store exchanges
- Shipping to available destinations
The Arc'teryx Ionia Merino Wool SS Men's is a lightweight performance tee built for movement across changing conditions. Designed for hiking, running, alpine use, travel, and everyday wear, it combines the natural comfort of merino wool with added structural durability for reliable use in active settings. The result is a shirt that feels soft against the skin while maintaining the technical performance needed for repeated wear.
The fabric uses 87% merino wool with a 13% nylon core. This construction brings together the key benefits of merino, including breathable comfort, natural odour resistance, moisture management, and temperature regulation, with the added strength of nylon to improve durability over time. It is a practical balance for users who want the feel of natural fibre without compromising on resilience in demanding use.
In use, the Ionia is built to stay comfortable through a wide range of output levels. It helps manage moisture during intense activity, dries quickly, and remains breathable when worn on its own in mild weather or under layers when conditions shift. Its odour-resistant performance also makes it especially well suited to travel, multi-day trips, and repeated use between washes.
The fit is streamlined for a clean profile without restricting movement. Articulated patterning supports mobility during active use, whether on steep terrain, long approaches, or fast-moving day missions. Worn solo in warmer temperatures or as a base layer when insulation is needed, it works as a versatile foundation within a technical wardrobe.
Beyond performance, the shirt is also produced with a considered manufacturing approach. It is Fair Trade Certified™, made in a facility that supports improved working conditions. That makes it a strong option for those who value responsible production alongside material performance and everyday versatility.
- Material, 87% merino wool, 13% nylon core
- Construction, fine merino fibres with reinforced nylon core for added durability
- Weight, lightweight
- Breathability, breathable for active use
- Moisture management, moisture wicking and quick-drying
- Odour control, naturally odour-resistant
- Temperature regulation, helps maintain comfort across changing conditions
- Fit, streamlined, comfortable fit
- Mobility, articulated patterning for full freedom of movement
- Use, suitable as a base layer or worn on its own
- Best for, hiking, running, alpine tours, travel, daily wear, multi-day trips
- Production, Fair Trade Certified™
Orders placed before 16:00 on business days are normally dispatched the same business day, subject to stock availability. Weekend and public-holiday orders are processed on the next business day.
Shipping rates and free-shipping thresholds depend on your delivery country and the products ordered. For standard products, delivery within the Netherlands is €4.95 below €50 and free from €50; Belgium and Luxembourg are free from €75; Germany and France are free from €150. Surfboards have separate rates. See our Shipping & delivery page for all destinations and product groups. Your final shipping cost is shown at checkout.
You can return items within 30 days. Items must be unworn, clean and in their original condition. See our returns information for conditions and any return shipping costs.
The Arc'teryx Ionia Merino Wool Shirt SS Void is a lightweight men’s T-shirt made from merino wool with a nylon core. Breathable, temperature regulating, Fair Trade Certified™. Ideal for hiking, running and daily wear.
Arc'teryx
Arc'teryx represents unmatched quality, technical perfection, and sustainable design. From GORE-TEX shells to functional midlayers — at BehindThePines.eu, you'll find gear for both city and summit. Discover the gold standard in outdoor performance, built for extremes, loved for its style. For those who never compromise.