The undercut haircut is a great way to keep the sides clean and have length on top to style back or let hang to the sides.
Just let it grow out to 10-12 inches. style to the back with little to no product.
The Crop Haircut is a clean look with skin fade on the sides and 3-5 inches on top textured a lot and styled toward the front of the head.
Ask your barber about one of these that interest you