It might seem counterintuitive, but short can look better for thinning hair; Adding texture through a choppier cut and by using the right styling products. There are a couple of ways to do that:
Hairstyles for frontal thinning hair
Short hairstyles for very thin straight hair
Hairstyles for long thin silky hair
Best Mens Hairstyles For Thin Hair
Web from short haircuts like the buzz cut and crew cut to long styles like the comb over, men with fine hair have a number of cuts and styles to choose from.