The head graphene xt speed s tennis racket offers great spin and power potential in a lighter package 285g 10oz which enhances manoeuvrability and playability the light and strong graphene xt technology used in the frame positions the weight better concentrating it in the head and tip for more speed and power the power and spin are very controllable making it a versatile racquet and a solid choice for intermediate players the head light racket has a 100in2 645cm2 head and the string