The Ionia’s performance is innate. Made from Merino wool – a material known for temperature regulation and odour resistance – it’s light, soft, breathable, and responsibly sourced. The construction wraps the wool’s fine-gauge fibres around a nylon core for added durability.

The fit is streamlined and comfortable, and the articulated patterning moves with you on hikes, runs, tours, and treks. Crafted at a Fair Trade Certified facility as part of our commitment to transition 80% of Arc’teryx products to fair trade certification by 2025.

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HIKING AND TREKKING
For technical hiking, trekking, durable and protective designs for remote and varied conditions.

BREATHABLE MATERIAL
Allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment.

NATURAL FIBRE
Textiles made from natural fibres provide inherent benefits and next-to-skin comfort.

SYNTHETIC FIBRE
Engineered materials that offer enhanced properties or performance.

FAIR TRADE CERTIFIED
Produced in a Fair Trade Certified facility. Building worker well-being into our product DNA.

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• Weight: 155g / 5.5 oz
• Fit: Fitted
• Inseam: 32'/81.3cm
• Activity: Hiking / Trekking / Running
• Model: X000006816
• Manufacturing Facility: Youngone Nam Dinh Company LTD, Vietnam