■ Unused ARC'TERYX Ionia Merino Wool XS Black Ionia Merino Wool Short Sleeve Men's Short Sleeve Size: XS Length: Approximately 67cm Width: Approximately 49cm Sleeve Length: Approximately 26cm Shoulder Width: Approximately 39cm Material: 87% Merino Wool, 13% Nylon Color: Black Current Price: 15,400 yen Although the tag is not attached, it is a new, unused item. The functionality of Ionia is naturally derived. It is made of merino wool, known for its thermoregulating and odor-resistant properties. In addition to its light and soft feel, it is also highly breathable. The construction wraps fine-gauge merino wool fibers around a nylon core, enhancing durability. The comfortable, streamlined fit follows body movement thanks to the three-dimensional pattern. Ideal for hiking, running, tours, and trekking.