Product Design The Profession Collection features a premium design with collaboration from Morgan Stuart Premium Reserve™ USA steer hide leather Designed for the younger, yet serious players Handcrafted with a Diamond Pro Steerhide leather shell Durable rawhide laces and a supple leather lining for comfort and control Quantum Closure System™ is fully adjustable for a tighter, more secure fit and optimal control Flex Notch™ Closure System makes the gloves easy to squeeze