Yes, there is a size chart for the Leatt MTB 1.0 GripR gloves. You can find this chart on the official Leatt website or at authorised dealers to determine the right size.

Here is a general guide on how to find the sizing chart:
- Visit the Leatt MTB 1.0 GripR Gloves product page on the Leatt website or at an authorised dealer.
- Look for the "Size Chart" section, which can usually be found under the product details or in the "Sizing and Fit" section.

This chart will help you choose the right size based on your hand circumference and length measurement.