DetailsThis item is only available to ship within the contiguous 48 U.S. states.Run, race and workout in the update to Spira's most popular performance and lightweight neutral shoe with superior cushioning, shock absorption and energy return. The Spira® Stinger XLT 2 is a performance trainer that is also an ideal race day shoe for runners who need the support of a training shoe, with the lightweight responsive qualities of a racing shoe. The trainer is extremely well cushioned and helps to maximize running performance and reduce fatigue. The two independent fore foot and one heel WaveSpring® are low profile and lightweight and are made of stainless steel to maximize cushioning and resiliency. This style is popular with elite athletes, recreational runners and weekend warriors alike.