ASICS Tiger x Bait GT-II Rings Pack - Red Ring Synthetic Asics Tiger x BAIT Limited Edition The GT-II was the first ever running shoe to features ASICS' innovative GEL technology. The GT-II was an upgraded version of the high performance X-CALIBER GT, a flagship model which was popular in the U.S. and Europe at the time. The GT-II featured ASICS GEL to provide greater cushioning than the X-CALIBER GT. Take a closer look and you will notice the left and the right shoes are a bite different. The left lateral logo and the right medial logo are classic grey 3M. The left medial and the right lateral logos are a clean black 3M. Something only a true sneaker fan will notice.