Standard grip - excellent all round grip. Designed to balance grip and durability. Patented Truflight™ Valve - the patented valve improves aerodynamics to provide ultimate balance and truer, longer flight. 3 Ply core-spun polyester and cotton laminate Functional rubber surface Hand stitched Conforms to all IRB specifications. SIZE AVAILABILITY: Size 5 & 4. GILBERT match balls are designed and developed to provide outstanding performance in all conditions. The Vapour Match Ball is ideal for Club rugby and Schools rugby.