The SmoothDome slotted caps are welcomed by welders for their smooth crown and lightweight . The SmoothDome offers comfortable head protection for workers in industries who need head protection from small falling objects. SmoothDome Hard Hat, Cap Style, Standard, SZ 6-1/2 Fits Minimum Hat Size, SZ 8 Fits Maximum Hat Size, White, Polyethylene, 4-Point Fas-Trac III Suspension, Class E ANSI Electrical Class Rating, Type 1 ANSI Impact Rating, Yes Slotted, Ratchet Adjustment.