Protective Eyewear Liberty Sport Rec Specs Maxx 21 Meets or exceeds ASTM F803 impact resistance for Basketball, Handball, Paddleball, Racquetball, Soccer, Squash, Tennis. Brand New - Factory Packed, comes with semi-rigid case and double slide adjustable strap. Sizing allows for youth and adult fitting. Unisex Shape. Prescription Protective Sport Eyewear - Prescription available through your Local Optical Retailer.