, is produced from a renewable resource, castor oil. It is made up of block copolymers consisting of a sequence of nylon 11 and polyether segments. It can be used neat, as an additive, or in blends with other polymers and rubbers. It can also be reinforced with fillers. “Mizuno takes initiative to protect the environment,” says Rod Foley, the company’s U.S. director of athletic footwear marketing. “By being the first in the athletic footwear industry to use Pebax Rnew, we exemplify our commitment to managing the limited resources that the earth provides.”  —[email protected]