KontrolFreek has now joined the ranks of officially licensed PlayStation products with their new line of performance grips for the PlayStation 4’s DualShock controller. These grips give you extra control and comfort while gaming by providing additional grip and reducing moisture for those with a sweaty palm problem. Additionally, when placed on a colored DualShock, the grips create a nice two-toned effect on your controller.
These KontrolFreek performance grips costs $14.99 are are available now on the official website.

Below are some additional details:
Grips are antimicrobial, resistant to oil, grease, and water, and are latex, PVC, and VOC free. Grips can be applied multiple times and repositioned easily without peeling or leaving a sticky residue. BENEFITS:

Provides maximum comfort and support to DUALSHOCK®4 Wireless Controllers
Wicks away sweat and moisture
Easy to apply and fully repositionable
Breathable material keeps palms cool

Some players swear by grips, while others find them to be over the top and unnecessary. Personally, I was surprised to find how comfortable and good looking ...