A healthy Maine Coon does not automatically need a haircut because its coat is long or the weather is warm. Cutting or shaving should have a clear reason and be performed safely, especially around sensitive areas or tight mats. Cat skin can be caught or injured easily, so do not use scissors to cut through matting close to the body. Ask a vet or experienced cat groomer to assess the coat and discuss suitable options. A shorter style is not a substitute for understanding why mats keep forming or why the cat cannot groom normally.
If a professional recommends clipping, ask about aftercare and how to maintain the remaining coat comfortably. Avoid choosing a dramatic cut purely for appearance. The priority is the cat's comfort and skin health, with a routine you can continue without stressful restraint. Before an appointment, photograph the problem areas without pulling the coat apart; this helps the professional assess the work and likely handling needs.
For product comparisons alongside this advice, see Cashmere Comb grooming set and Reusable pet-hair roller. The details below explain their sizes and uses.
Further reading: cats.org.uk; pdsa.org.uk; rspca.org.uk; bluecross.org.uk; cats.org.uk.
Cashmere Comb grooming set
Reusable pet-hair roller