Asics Gel Speedstar 4

The race-reay neutral lightweight performance, Asics Gel Speedstar 4 is finally ready for the spotlights. Keeping in tune with its hugh follwing of its predecessor, not might changes were done on the 2010 version. With its decent amount of cushion, weight and an addition of a new asymmetrical lacing system, the Speedstar is all well up for your fast and fury run. (Updated Model : Asics Gel Speedstar 5)

MSRP : US$85
Weight : 9.4 oz / 266 gm
Predecessor : Gel Speedstar 3
Product Cycle : RY.2010DY.2010.Dec.
Features : Gel® Cushioning System, Solyte Midsole, Racing Trusstic System®, Asymmetric Lacing, DuraSponge®, AHAR

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Recommended for runners looking for an ideal pre-race training and race day performance shoe.

History : Gel SpeedStar Series : Speedstar 4('10), Speedstar 3('08), Speedstar 2~1


AHAR+ : Heel : A thinner and lighter version of Asics High Abrasion Resistance rubber. It is placed on the impact area of the outsole to reduce excessive wear.

Asymmetrical Lacing Design : This set-up inimprove the ASICS Biomorphic Fit by creating a more anatomically correct lacing pattern. The asymmetrical lacing design is configured to wrap across the top of the vamp, creating a more open forefoot environment.

DuraSponge® : A new blown rubber compound for enhanced durability and cushioning in the forefoot.

Gel® : Provides maximum rearfoot and forefoot shock attenuation.

Solyte™ : The advantage to injected Solyte® is a much more consistent density, ensuring that the desired softness is more ‘dialed in’ than standard compression molded midsole material. Injected Solyte® is also lighter than standard Solyte® contributing to the overall drop in weight.

Racing Trusstic System™: : A lighter weight trusstic system designed for faster turnover : Trusstic System™ : Moulded component under the midfoot area. Provides over-pronation control in combination with extremely contoured midsoles. Reduces the weight of the shoe.

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