The present invention is related to a sensor for measuring shear forces applied to the sensor, and further a statically responsive sensor for measuring shear forces. The present invention further includes a method of designing athletic wear, such as footwear or clothing, using these sensors. The present invention further relates to a method of using such athletic wear, whereby the sensor(s) detect physical factors encountered by an athlete wearing the athletic wear, and whereby those physical factors detected are used to improve the performance of the athletic wear and or the athlete.
