New Last:At the heart of the new trail running shoe from SPIRA is a brand new last. The last was developed based on the latest foot measurement studies and offers one of the best fits in the industry and a very smooth ride.
Spider Cage:New Spider Cage Technology allows for optimal energy transfer from the heel upon impact to the midfoot for a secure and comfortable support in midstance and push-off.
Breathability: Innovative 3D mesh and single mesh combination allows for superior breathability and protection.
Energy Transfer & Foot Climate:Dual-density insole: visco elastic heel and elastic forefoot support the energy transfer created through the WaveSpring technology. Integrated airflow channels and strategically placed vents allow air to escape from the spring chambers improving the foot climate.
Stability:Injection molded TPU plate with integrated spring housing allows for a smooth ride with the right amount of stability. Due to the unique properties of the WaveSpring technology the cushioning properties will outperform any other shoe in the market. Each spring is finely tuned to the corresponding size offering the correct amount of cushioning for each size – no other brand in the industry has addressed this need but SPIRA.
Flexibility:Independent forefoot springs allow for the necessary forefoot flexibility and optimized push-off energy.
Durability:Since the WaveSpring technology offers an unsurpassed longevity, the outsole was designed with a multi-density rubber compound that offers a high degree of durability and traction on trail and street.
I gave these shoes to my husband for Xmas and he love it. He is a navy veteran and like to run a lot. Great services
5 Stars for Spira
User: Robert, SHORELINE
Rating:
If you buy this shoe, order a half size larger! This shoe is fantastic! It feels like nothing I have worn before. It gives the feeling that I am 20 pounds lighter! The first time out of the box I wore this shoe for 8-10 hours, and it felt great! I like it
1-888-818-7463
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