Spira Stinger Elite Mesh Racing Sneaker,Yellow/Black,8.5 M US Men’s / 10 M US Women’s
For biomechanical efficient runners who want a responsive light weight racing shoe that provides exceptional cushioning and protection against fatigue and shock related problems.
WaveSpring cushioning system in the forefoot provides maximum energy efficiency in conjunction with a high level of cushioning that is very responsive for racing.
The WaveSpring are a low profile- light weight spring made of stainless steel to resist rust.
Normal to high arch foot types unless using additional arch supports / custom orthotics.
Curved lasted racing last.
Spira Stinger - Running Shoes with Springs - Stinger Elite - Yellow - Road Racing Flat - free shipping- spring loaded running shoes - mens - womens - marathon running shoes Size: 8.5 M US
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