• Flex Film Overlays are made of a thin film that is welded to the upper for a snug, secure fit.midsole material for lightweight comfort, rebound and durability.

• SSL EVA is Saucony's premium midsole material for lightweight comfort, rebound and durability.

• TriFlex outsole design delivers superior traction over varying surfaces.

• Carbon Rubber outsole for flexibility and traction with and without spikes

• Stretch bootie Construction provides a soft, sock-like fit that creates a snug midfoot lockdown.