The Rhyno is essential in the wind for short to medium range shots. The Rhyno’s Thumtrac™ gives it a sure grip and reliable performance in any situation. The R-Pro line is softer than most Pro blends. R-Pro discs have the best all-condition grip and an improved feel. R-Pro has great flexibility which makes it the best choice for putt & approach in cold/wet weather. The R-Pro Boss currently holds the Distance World Record at 1108 feet (338 M).