Asics Technology

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Current Specials

Asics Technology

SPACE TRUSSTIC

Space Trusstic system assists in efficient transition of the foot from midstance to propulsion and helps to facilitate the all-important Windlass Mechanism.

The introduction of Windlass Mechanics into Asics running shoes has revolutionised the way we think about athletic footwear. Windlass Mechanics assists the auto-support structures, the tendons, ligaments, muscles and bony architecture to convert the foot from a mobile structure at heel strike, to a powerful rigid lever at propulsion.

The new Asics Space Trusstic system works with the complex functions of the foot to facilitate Windlass Mechanics. As the foot strikes the ground, Asics I.G.S. componentry are activated to attenuate the shock at heel impact and help guide the foot safely to the mid stance phase of the gait. The deformation clefts and rearfoot GEL achieve this with great efficiency. Mid stance is signalled by foot flat and this is the most vulnerable time for the foot and leg in terms of potential injury.

Space Trusstic is new I.G.S. componentry and an evolution, if not revolution of our benchmark trusstic technology. The Space Trusstic system is not integrated within the EVA. Rather it is suspended below the midsole EVA forming a distinct pocket or space into which the EVA of the mid foot section of the shoe can distort. The result is that torsion stability of the shoe is maintained but pressure on the plantar fascia is released enabling tension with the transition from foot flat to propulsion. This is designed to facilitate the all-important Windlass Mechanism. Space Trusstic is a natural extension of I.G.S. and an enhancement of Windlass Mechanics.

PHF (Personal HeEl Fit System)

Never one to rest on their laurels, Asics have developed the Personal Heel Fit System (P.H.F.) to enhance the stability and overall fit of the shoe.

P.H.F. is the newly developed memory foam used in the lining of the heel collar that moulds and customises itself to the individual heel shape of the wearer creating a personalised fit.

P.H.F. is another step in Asics quest to provide the best footwear for the individual athlete

SpEVA LASTING

a new generation in shoe construction

Traditionally a shoe is lasted in two ways. It may be conventionally lasted where the upper is stitched to a piece of fibreboard. This has advantages in providing a stable platform for the foot, but the cardboard-like board can break down under duress from loading, in-shoe climate and external environmental conditions.

The second method of lasting is called ‘Slip’ lasting, where the upper is stitched to itself like a slipper, producing a very flexible shoe, this has fallen out of favour in running footwear over recent years.

Asics solved the problem of conventional lasting by introducing EVA as the material to which the upper was stitched.

Asics scientists have refined EVA technology to produce SpEVA. SpEVA lasting further enhances comfort by improving cushioning and stability in a shoe specific manner. Different densities of SpEVA are used depending on the precise purpose of the shoe.

In the ‘Neutral/Cushioning’ range the density of SpEVA is 45 degrees and besides offering enhanced cushioning, it is more flexible and so compliments the I.G.S. and shock attenuating properties of the neutral range.

SpEVA 55 degrees density is used in the Asics ‘Structured Cushioning’ range and allows the foot to be supported on a stable platform. SpEVA 55 is still soft enough to provide outstanding cushioning, but the increased stiffness boosts the spring rate of the shoe to further improve the already impressive ride.

SpEVA 65 degrees density is designed as a part of our static stability philosophy in the ‘Motion Control’ category of running shoes. SpEVA 65 offers a very stable platform for the heavy runner with or without over pronation problems. The increased stiffness of the lasting limits midsole deformation and enhances the already impressive reputation of asics ‘Motion Control’ range.