G-Force G-Limit Racing JacketA variant of the G Force G Limit Suit, the G Limit Jacket is a budget priced, multi layer, SFI 3. 2a 5 racing jacket. Featuring a 100% Nomex outer layer, a soft, aramid knit inner lining is added to achieve a TPP rating of 19. 5. The attractive shiny outer layer features color matching box quilting lines for a distinctive look. 360 degree, knit material arm gussets provide a full range of motion and ventilation.