Thanks for reaching out!
The handlebars on the Co-op Cycles ADV 1.1 bike feature a combination of Velo anti-slip bar tape with gel and set a shock-proof gel inserts. The bar tape is similar to this Bontrager Gel Cork Handlebar tape that we currently have in stock. Unfortunately, we do not have any handlebar inserts available, but you can check out some of the Planet Bike Century Gel Pads which should meet your needs.
Hopefully this helps, thanks!