IOMIC Black ARMOR Sticky Evolution 2.3 Golf Grips - Set of 13 Color: Black/Blue Core Size: M60 Size: 2.3 (22.3mm) Weight: Approximately 50g No Backline Material: Uses IOMAX, a material between rubber and silicone. Provides a soft, sticky grip that adheres to the hand. Reliable even in rainy weather. Shipping will be done simply, so please understand. Also listed on other flea market sites. May sell out depending on timing. (424528) IOMIC / Model Name: Black ARMOR2 Sticky Evolution 2.3