Class 2 garments meet Type R requirements for use on roadways. Class 2 is the most commonly used class and is suitable for use on construction sites and railways, or by airport groundcrews and crossing guards. U-back is the most common pattern and has two vertical stripes and at least one horizontal stripe on the back of the garment. T-shirts have a casual appearance and are generally cooler and roomier than collared shirts.

Class 2 garments meet Type R requirements for use on roadways. Class 2 is the most commonly used class and is suitable for use on construction sites and railways, or by airport groundcrews and crossing guards. U-back is the most common pattern and has two vertical stripes and at least one horizontal stripe on the back of the garment. Polos are collared shirts that are buttoned at the neckline to allow workers to adjust shirt opening at the collar.

Class 2 garments meet Type R requirements for use on roadways. Class 2 is the most commonly used class and is suitable for use on construction sites and railways, or by airport groundcrews and crossing guards. X-back garments indicate when a worker is facing away and cannot see signals or oncoming traffic. T-shirts have a casual appearance and are generally cooler and roomier than collared shirts.

Class 3 garments meet Type R requirements for use on roadways. They have sleeves with reflective tape and makes them more visible than Class 2. They are worn when working near fast-moving traffic, at night, or to provide improved contrast when working against complex backgrounds. U-back is the most common pattern and has two vertical stripes and at least one horizontal stripe on the back of the garment. T-shirts have a casual appearance and are generally cooler and roomier than collared shirts.