home -> on-line catalog -> performance wear -> canterbury ionx baselayer top Canterbury of New Zealand IonX Baselayer Essentials Hot S/S Top IonX Baselayer Essentials Hot S/S Top IonX – a revolutionary technology and new category of athletic performance apparel – amplifies the body’s ability to perform and recover. By harnessing the proven power of negative ions, IonX naturally replenishes the body’s energy and enhances every stage of an athlete’s workout. $42 Learn more about IonX Technology. Qty: Size: S M L XL XXL Color: White Black ©2008 BALL'S OUT! Rugby Goods. All rights reserved.