Hi-Vis Sweatshirt B303. The B303 sweatshirt is ideal when it's too cool for a T-shirt but not cold enough for a jacket. Offering exceptional comfort the fit is roomy and the fabric is soft to touch. Available in yellow red and rail specification orange (GO/RT 3279). 2'' silver reflective tape. Polycotton fabric for extra comfort. Elasticated rib waistband and cuffs. Crew neck. Generous fit.