Spira Footwear

Product description

A well cushioned training shoe that provides excellent forefoot and heel cushioning. The patented WaveSpring^® technology is located in both the heel and forefoot for maximum impact absorption and energy return that will not break down over the life of the shoe. The mid-foot is supported by a molded external shank support structure to aid in torsional stability.

Intended use

A mid to high mileage training shoe for the serious runner looking for a performance shoe that provides excellent long term cushioning front and rear combined with a high level of responsiveness.

Runner type

For runners who are looking for maximum full length cushioning that provides exceptional protection against impact shock and fatigue.

Technology

The WaveSpring^® cushioning system in the forefoot and heel provide maximum energy efficiency in conjunction with a high level of cushioning that is very responsive for running. The WaveSprings are low profile, light-weight, and are made of stainless steel to resist rust.

Last type

New semi-curved training last with proven fit characteristics.

Lasting method

Strobel lasted construction with EVA sock for additional comfort and durability.

Upper materials

Breathable air mesh top vamp combined with a non-stretch support mesh in the lower vamp provides maximum comfort and fit. A molded TPU heel counter offers increased fit and support. The Spira^® logo and heel accents are made of reflected material for safety.

Sockliner

The 5mm molded EVA foot-bed/insole can be removed to accommodate orthotics.

Midsole

A single WaveSpring^® in the heel and a dual WaveSpring^® configuration in the forefoot, are surrounded by compression molded EVA for superior shock absorption and fatigue reduction. A built in arch shank offers added torsional stability and support.

Outsole

High abrasion rubber at heel strike increases durability. A 3-pod construction process in the forefoot includes flex grooves for quick transition and flexibility through the gait cycle.