Whats the difference between twisted loop and a regular fibre drying towel?

Both drying towel will dry a car very well but the fibres bring differences in handling, weight as well as best possible usage.

Drying towels with a twisted loop structure tend to be better for protected cars due to the fact that less water remains on the bodywork after rinsing. This protections can include ceramic coatings or a simple LSP's (Last Step Protection) such as quick detailer, SiO2 infused products like ceramic sprays, paste wax treated cars or products applied through the foam gun.

Plush drying towels with regular fibre structures work well on protected cars as well but work even better on unprotected cars. The main reason for that is that these drying towels absorb more water that is usually left on cars without any protection.