Other than my 15 minute commute to work I generally wear full leathers.
On really hot days like the Canada Day kevlar jeans with armour and a mesh jacket with CE2 backprotector, always full face helmet and proper gloves.
Last Sunday at Tradex ... full leathers but I did drink 5 bottles of water.
You still have to take into account overheating (been there done that ... 3 days in bed)
BUT
Answer the age old question what is worse
HD Pirate
or
Gixxer Squid