If you need to change product image size. Open category to edit and paste following code to the Custom Design field:
Recommended values
- Column count: 2; image size:up to 350 (pixels)
- Column count: 3; image size:up to 230 (pixels)
- Column count: 4; image size:up to 175 (pixels)
- Column count: 5; image size:up to 135 (pixels)
- Column count: 6; image size:up to 110 (pixels)
- Column count: 7; image size:up to 95 (pixels)