The F-1 Series Float grips are crafted from ODI's exclusive A.I.R.E. compound, which infuses air into the grip to reduce weight by over 30% and provide a slower rebound and response for improved comfort. Features: Medium diameter (31.5mm). Reinforced inner layer for added durability. Micro-textured surface pattern enhances tackiness and control. Smooth profile ensures a consistent feel. Made in the USA.