Weatherbeeta 600d mesh exercise sheet weatherbeeta 600d mesh exercise sheet has a waterproof and breathable 600 denier ripstop upper part with a 210t polyester lining the mesh lower part allows for addition airflow features touch tape fastening at the withers a tail cord and a reflective strip for added safety waterproof and breathable 600 denier ripstop outer mesh section tail cord reflective strip silversilver 4ft6