The Carrera___ is the ideal helmet for the occasional welder, maintenance operations or just YOUR company on a tight budget. The Carrera___ has all the functions of the Big-Boys with the price slightly over older style passive helmets. The sleek modern design inspired by the famous Porsche_ø proves style and good looks don_t have to cost a lot. Choose from medium and large viewing areas, single shade 10 or variable shade ranges 9-13. Functions include sensitivity and delay, some with grind. Both inside and outside variable