Amazon.com Product Description
Introducing Flexion Ride Technology from Saucony. Sinister, a lightweight training shoe incorporates a flexion plate designed to naturally propel runners onto their forefoot.
Product Description
The Saucony® Grid Sinister Cushion women's running shoe is integrated with Flexion Ride Technology that designed to naturally propel runners onto their forefoot. The shoe combines a great fit and responsive cushioning for a more efficient running gait. An Ortholite® sockliner provides breathable, moisture-wicking, anti-odor and anti-microbial performance for improved step-in comfort with rebound properties.