Radians ST21B Type R Class 3 Long Sleeve Black Bottom T-Shirt Color:Hi-Vis Orange / Black 4 mil thickness

4 mil thickness

From cold storage to below-freezing highway construction

crushing loads up to 500 pounds and a one-meter drop onto concrete

Fluorescent Yellow

Storm flap covers zipper which can be sealed by the wearer with adhesive strip to prevent intrusion at zipper

Radians ST21B Type R Class 3 Long Sleeve Black Bottom T-Shirt Color:Hi-Vis Orange / Black 4 mil thicknessRadians ST21B Type R Class 3 High Visibility T Shirt with Max Dri Moisture Wicking Mesh is made with an arid Birdseye Mesh allowing for maximum breathability, without compromising durability. The stripes are adhered by heat transfer rather than sewn on, making the safety T shirt wear much more like a regular T shirt. The wicking properties improve hot weather comfort making it feel much cooler. The front pocket does not include reflective material to