Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt – Apparel
RadiansSKU: RD-ST21B-3PGS-M

Radians ST21B Class 3 Long Sleeve Black Bottom T-Shirt

$45.00

The Radians ST21B Type R Class 3 Long Sleeve Black Bottom T-Shirt is built for visibility, breathability, and durability in high-risk environments. With full-arm coverage, moisture-wicking mesh, and sleek black color blocking, this safety tee delivers ANSI-rated protection while maintaining the comfort and flexibility of a regular shirt.


Key Features:



  • Made from 100% polyester Birdseye mesh for lightweight durability and maximum airflow.

  • Max-Dri™ moisture wicking mesh technology helps pull sweat away from the skin, improving comfort in hot conditions.


  • 2" stretchable reflective tape applied via heat transfer, one horizontal stripe on the torso and one on each sleeve enhances visibility while maintaining flexibility.


  • Black color blocking at the base and bottom of sleeves helps conceal dirt and wear, keeping the shirt looking cleaner longer.


  • Available in high-visibility lime or orange, with sizes ranging from MD to 5X to fit a wide range of workers.


  • Rated ANSI/ISEA 107, Type R, Class 3 for high-visibility compliance in high-risk zones and low-light environments.

CLICK HERE to view the sizing chart. A separate tab will open with the details for easy reference!

Ordering Questions

When will my order ship?

We aim to have all non-imprinted orders shipped within 3-5 business days after the order is placed!

Once your order ships, you’ll receive a confirmation email with tracking details. At this time, we ship to addresses within the contiguous United States.

We ship via UPS or USPS, depending on the size, weight, and destination of your order. Shipping method selection is handled automatically to ensure the best delivery option.

Please note that delivery times shown at checkout are estimates and begin once your order has shipped. Shipping delays caused by the carrier or weather are outside of our control.
How do returns work?

We want you to feel confident in your purchase. If an item doesn’t fit or isn’t quite what you expected, you can request a return directly from your order page using the 'Request Return' option.

Once your request is submitted, it goes directly to our Support Team. If the item is eligible, we’ll email you with return instructions. An approved RMA is required before sending any items back.

Return requests must be submitted within 30 days of receiving your order.

Returned items must be in new, resalable condition with original tags and packaging. All returns are inspected upon arrival to ensure they meet eligibility requirements before a refund is issued.

Please note:

  • Custom or imprinted items are final sale and not eligible for return
  • Return shipping is the customer’s responsibility
  • We recommend using UPS, USPS, or FedEx and keeping your tracking number, as we cannot be responsible for lost return shipments
Do you offer discounts for large orders?


We do! If you’re planning a large order of 50 units or more, you can share the details by clicking here to open our Bulk Request Form. We’ll put together a tailored quote for you and follow up with any questions to keep everything moving smoothly.

Have a Bulk Request? Fill out our form for a quote.