Question Summary:
Are men allowed to shave their legs, chest and back?

Question Detail:

Are men allowed to shave their legs, chest and back?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ῾alaykum wa-rahmatullāhi wa-barakātuh. 
It is permissible for men to shave the hair of the legs, chest and back. However, it is undesirable to do so.[1]  
And Allah Ta῾āla Knows Best
Mufti Zaid M Shelia,
Student Darul Iftaa
Chicago, Illinois (USA)
Checked and Approved by,
Mufti Ebrahim Desai.
www.daruliftaa.net