The Adams Idea Tech a4R Hybrid features a cambered sole that allows you to get optimal play from troubled lies. That makes this club one of the most playable, hittable hybrids on the market. The Idea Tech a4R hybrid also features a hot steel face that makes the ball launch on impact. The Idea Tech a4R hybrids make the perfect replacements for your hard-to-hit long irons, and the Idea Tech series is manufactured by the number one company in hybrids, Adams.