Product Description Looking for a supportive, speedy shoe? The Launch GTS 8 delivers thanks to new, lighter cushioning and GuideRails® support. Enjoy the fast, fun ride. The Launch GTS is the new Ravenna. More blown rubber in the forefoot creates faster transitions and makes the shoe more durable. New air mesh upper enhances the fit and ventilation, eliminating the need for the internal bootie. Our speedy support shoe got a new name! Fans of the Ravenna can find the fast, fun ride they love in the Launch 8 GTS.