Multi-Material DesignEngineered with premium materials for exceptional performance. The use of a combination of materials to create optimal stability. Heavy steel frame with aluminum/steel back weights are all combined with lightweight composite sole to maximize MOIWhite True PathThe science of white. White is the most reflective color, which allows the human eye to clearly see the path of the stroke and the ball. The "Y" design shape allows for all golfers to center the ball and clearly visualize the path to the holeHead ShapeSlightly more streamlined than the Spider Tour and is the most successful Spider ever sold. The new Spider X features a new finish process called HYDRO BLAST. We apply water to the blasting process to create a smooth, premium finishWhite TPU Pure Roll InsertWhite Pure Roll Insert for a softer feel. The Pure Roll grooves are at a 45* angle to encourage optimal forward roll as well as better sound, feel, and overall roll characteristics. The white Pure Roll insert creates better symmetry with the white True Path alignment