Ideal for construction, municipalities, shipyards, and anywhere hi-visibility apparel is necessary. Features: 100% Polyester Birdseye Mesh.Durable lightweight performance wicking fabric.Enhanced with UPF/UV 50 protection.Built-in insect repellent .2" segmented reflective material.1 upper left chest pocket.Black bottom helps hide dirt Specs: Type R Class 3 Long Sleeve Black Bottom T-Shirt-Wicking Polyester- Segmented Reflective Tape-UV & Insect Protection-1 Pocket-LY Applications: Road Work Survey Crews Utility Work Railway and metro workers Emergency Services Construction: Black Bottom - UV Protection - Insect Repellant Case Quantity: 50 Case Length: 50 Case Width: 35 Case Height: 40