Head net, as much coverage with clothing as possible, then use small amounts of DEET (or something else) on you hands and venerable bits. No spray. Use some kind of cream in tubes, for example:
or one of the DEET "pens", for example:
If you really want to kept them away, and unfortunately you will not be out of bug season yet, then get some Permethrin and just before you go spray the outside of your pants and hiking shirt - follow instructions, let dry overnight. Will be fantastic. No smell. Stay on for a good while.