It is pre-formed with a curved back with most of the detailed molding on the outer portion. This adds to both comfort and concealability. The Raptor comes with belt loops for 1 1/2 and 1 3/4 and IWB soft polymer straps. It features a Chek-Lok (trigger guard lock) which is very intuitive and a rear sweat guard. Gun Fit- Glock 43