ION Jersey Ionic SS MERINO men 2026Discover the natural advantages of the IONIC SS Merino Jerseydesigned for riders who want technical performance and ultimate comfort. Developed with our team to blend loose fitting MTB style and the high tech benefits of merino wool, this jersey uses a 50% RWS certified merino blend for an incredibly soft, itch free feel on the skin. Merinos natural moisture management and odor resistance keep you cool and fresh, even during long days on the bike or