Non-certified T-shirt. Constructed of polyester breathable knit (4.1 oz). Moisture wicking treatment keeps moisture away from the skin for a comfortable fit. 30+ UPF for protection against harmful UV. Features one outside pocket. • Polyester breathable knit (4.1 oz). • Moisture wicking treatment. • 30+ UPF for protection against harmful UV. • One outside chest pocket. Non-compliance doesn't mean you have to wear cotton or blend in. Constructed of polyester breathable knit (4.1 oz). Moisture wicking treatment keeps moisture away from the skin for a comfortable fit. 30+ UPF for protection against harmful UV. Features one outside pocket. Apparel Type: Hi-Vis T-shirt; Material(s): Polyester; Color(s): Orange; Color Family: Orange.