Problem to be solved: to provide a sport player who is worn and is safe against shock and extends side vision.Solution: the front part 1 is detachably attached to the back side of the front part 3 made of a hard resin, and the band 2 wound around the head is attached to the front end of the front rubber part 4. A plurality of vent holes are formed in the inner rubber portion made of soft resin through a hole for extending the side view of the joy portion 7 at both ends of the front portion.Diagram
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