a shock absorbing cushion device removable , pressure - adjustable for sports goods , comprising a cover and an air cushion enveloped in the cover , said cushion made as a hollow flat bag whose upper and lower sheets are provided and adhered with round rcesses or line recesses or the both combined , said recesses furnishing the air cushion with shock absorbing elasticity and flexibility whether said cushion is inflated or not . an inflation pump or an air nipple is provided in said cushion for inflating or deflating said cushion .