This is the much awaited update to the Eclipsion 3. The Eclipsion 4 CLAYimproves on responsiveness and stability with 3D Power Graphite Drive in the midsole and Durable Skin on the vamp and sidewalls. Cushion is both supple and long-lasting with the combination of Power Cushion , Feather Bounce FOAM, Toughbrid Light. The overall fit is more comfortable than its predecessor due to Toe Assist Shape providing a little more room for the big to and a more ergonomic fit in the mid-foot and heal. Comfort and performance in the same shoe. This is the shoe of choice for most Yonex-sponsored pros.

Ray's Fit Assessment: This shoe runs a bit on the narrow side. Most customers go up a half size for a proper fit. However, claycourters are often known to wear a tighter fitting shoe.