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Unleash SD 2 is made for the shotput, discus, and hammer throw, the newly formulated upper features Saucony’s ISOFIT technology, which improves the overall fit and feel, allowing your to power through your throws and on to victory.
ISOFIT system provides stabilizing support while adapting to the movement of the foot
• FLEXFILM upper is lightweight and supportive
• Midfoot cross strap locks foot to platform
• Internal EVA midsole for underfoot cushioning
• Nylon forefoot plate and high-density rubber outsole enhance spin and glide techniques