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The shoes are designed to make it easy to turn on your toes that is necessary for discus and spin shot put.
Use - The Saucony Unleash SD’s configuration is best suited for various throwing events. It yields optimal performance in discus, hammer throw, and shot put.
Implemented on the upper construction of the Unleash SD is Saucony’s famous ISOFIT system. It delivers stability and security—integral for an outstanding throwing performance.
Comprising the ISOFIT system are the FlexFilm overlays which are made of thin films. These employ little to no weight for lessened bulk. These are welded on top of the mesh upper of the shoe, keeping the foot in place.
The outsole of the throwing shoe features a combination of both rubber and nylon plate. These two combined offer lightweight traction. These also enhance the overall durability of the track shoe.
The Saucony Unleash SD is only offered in men’s sizing scheme. Thus, women are advised to deduct 1.5 from their usual preference. This is intended to secure an accurate fit and size.
One of the components affecting the fit of the throwing shoe is the mesh upper. This upper material wraps generously around the foot, providing both comfort and flexibility. Tasked with ultimate lockdown and structural integrity, FlexFilm overlays are embellished on the upper.
Situated on the forefoot of the Unleash SD is the nylon plate. Its attributes make it ideal for rotating and gliding, providing athletes ample grip. It also exhibits high-strength properties, amplifying resistance from abrasion.
Complementing the nylon forefoot plate is the rubber outsole of the throwing shoe. It is composed of high-strength materials, allowing it to withstand natural wear and tear. It also provides a good blend of rigidity and flexibility for propulsion and unrestricted foot movements. The same outsole element is present in the Nike Zoom Rival S 9.
An internal EVA foam is placed on the midsole of the Saucony Unleash SD. It acts as the underfoot cushioning of the throwing platform. It also heightens responsiveness and comfort. Lastly, this midsole element employs minimal weight, promoting energy conservation, and drag prevention.
The upper composition of the track shoe features Saucony’s well-known ISOFIT system. This upper technology integrates the mesh upper and FlexFilm overlays of the throwing shoe. Combining all of these components together, the system enables better support and fit with minimal weight.
For breathability and added comfort, mesh material acts as the outer wrap of the platform. It has flexible properties for a wide range of foot movements. It also presents a number of perforations acting as the airflow system of the shoe for a healthy foot environment.
Supplementing the mesh upper are the FlexFilm overlays bonded to the upper. These are composed of thin films, exhibiting a seamless construction. This, in turn, supplies an in-shoe experience free of irritation. These films keep the foot in place for superior lockdown.