Carbon Composite Shaft: This shaft has a Carbon/Graphite composite material. * Easy In Strap: A velcro strap that is easy to get in and out of, and can be adjusted to fit just about any size hand/wrist. * Rubberized grip: A tacky material aids in grip between the gloves and handle (grip) of the poles, so you don"t loose, uh grip. * 12.7mm Diameter Shaft: 12.7mm is the standard diameter of a set of ski poles. * Interchangeable Baskets: These poles do not come with wider baskets, but they any Goode pole basket from the last few years will fit on these tips.