ProTaper Dual Density grips incorporate two dedicated synthetic rubber compounds. The tacky, gel-like surface compound provides the ultimate in traction and comfort, while the firm inner core ensures that the grip stands the test of time. Constructed from both firm and soft Kraton rubber compounds Tacky outer casing provides excellent traction and comfort Shock-absorbing inner casing perfects bonding interface with handlebars Available in Full Diamond and Half Waffle traction patterns