The lightest ASICS racer, part of the ASICS 2012 London Summer Olympics Racing Collection. The lightest model in the ASICS speed collection, the PIRANHA SP 4 provides elite runners with a next-to-nothing race feel suitable for 5km, 10km and up to half-marathon races. This model features a nearly seamless upper to prevent irritation. The lightweight DuoSole Outsole creates flexibility while maintaining traction and durability. The PIRANHA SP 4 is part of the ASICS 2012 London Summer Olympics Racing Collection.

PIRANHA SP 4