1EA-OccuNomix One Size Cotton Hard Hat Shade - BLUE 1 EACH 1EA-OccuNomix One Size Cotton Hard Hat Shade - BLUE Fits most regular hard hats (not full brim) - Shade at back of neck facilitates perspiration evaporation Cotton - Shade attachment for hard hats - Protect the back of neck from sunlight Maintains the evaporation of perspiration