Adidas Mega Torsion Flex DB (David Beckham)Part of the David Beckham collection, the Adidas Mega Torsion Flex is a lightweight and ultra-comfortable running sneaker. They have a Climacool upper with mesh vents to keep your feet cool and dry, plastic toecap for protection, Mega Torsion system for optimal cushioning, and a durable outsole with flexible construction.