U.S. Open frontrunners Jon Rahm and Xander Schauffele swear by their 2022 Chrome Soft golf balls, made not too far from where they’re competing for a major title this week. At the Callaway golf ball plant in Chicopee, Mass., employees take great pride in their process and the pros who use them.

GOLF editors Dylan Dethier and Claire Rogers visited the Western Mass. plant in the lead up to the U.S. Open at The Country Club, learning how a golf ball gets made from start to finish.