The Ionias performance is innate. Made from Merino wool a material known for temperature regulation and odour resistance its light, soft, breathable, and responsibly sourced. The construction wraps the wools 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 Arcteryx products to fair trade certification by 2025.

Features & Specs

Technical features

• Breathable

• Lightweight

• Versatile

• Natural merino wool has antiodour properties

• Air permeable

Construction

• Ultra fine Merino wool is known for soft comfort, natural temperature regulation, moisture management, and odour resistance

• Merino fibres are wrapped around a nylon core for added durability

Cuff & Sleeves configuration

• Short sleeves

Logos & Label configuration

• Arc\’teryx Bird logo

Neckline configuration

• Crew neck

Patterning

• Articulated patterning for unrestricted mobility

Sustainability

• Contains wool certified to the Responsible Wool Standard (RWS): RWS is a voluntary program that helps sheep farmers meet consumer, retailer, and brand demands. The standard certifies they meet rigorous animal welfare and land management requirements.

• PFAS (Per- and polyfluoroalkyl substances) Compliant