What you need to know: The XXIO Prime Royal Edition ... of a more aerodynamically stable head. Called ActivWing, the crowns on the Prime Royal Edition drivers, fairway woods and hybrids feature ...

Excerpt: "While most irons have faces made from steel, the Xxio 13 iron faces are made using the same Super-TIX 51AF titanium found in the Xxio 13 driver. It is lighter yet extremely strong ...