Arc'teryx Ionia Merino Wool SS Men's Solitude Heather
- Ordered before 16:00, shipped the same day.
- Easy returns and in store exchanges
- Worldwide shipping
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™
Ordered before 4pm, shipped the same day
Place your order on a workday before 4:00 PM, and we'll ship it the same day. Shipping costs vary across Europe and will be calculated at checkout.
Free shipping thresholds:
- Netherlands: Free from €50
- Belgium & Luxembourg: Free from €75
- Germany & France: Free from €150
- UK, Norway & Switzerland: Free from €350
- Rest of the European Union: Free from €200
- Rest of the world: Free from €750
Return period
You can return items within 30 days. You can do so in our store or by shipping. Items must be unworn, clean, and in their original condition.
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.