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Blue Line Spartan

Usually Ships within 24 Hours

"Blue Line Spartan" 


Spartans were known for their ReLEntlessness in training, protecting and willingness to sacrifice all to defend the righteous. They were a small force by scale, but also one of the most RELENTLESS cultures to ever be challenged. Simply put... It's not the armor or the weapons that make a defender, it's the spirit.

Printed, Designed, and Sold in the USA by Veteran Police Officers. A portion of every item sold is donated to first responder charities.

 Shirt Product:                                                   

60% Polyester / 40% Combed Ring-Spun Soft Cotton

Athletic Cut / S-2XL (If you like your shirt looser purchase one size larger)

Lightweight and Extremely Soft

Larger Sizes: 




Available in sizes 2XL - 5XL for an additional $2.00 per shirt.




Sizes 4XL and 5XL are printed on a standard-cut cotton blend shirt.




Please allow (3-5 Days) for production before shipping, however, many times we have the product in stock and will ship out sooner.


We ship using USPS and FedEx. ReLEntless Defender does not control either entity therefore we are NOT responsible for any package(s) once it’s been turned over to the shipping provider. ReLEntless Defender is NOT responsible for packages that are late, stolen, lost, or packages sent to the wrong address (due to a customer entering error). The customer is responsible for filing all claims. ReLEntless Defender is not responsible for any package(s) once it is in the hands of USPS, FedEx, and/or UPS.

Size Chart: 



Body Length

Sleeve Length
























10 12

 A portion of all sales is donated to police charities and families of fallen officers.

Don't forget you will receive FREE (Priority 2-3 Day) shipping on all orders over $75.00 - Use Promo Code - SHIP

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Product Reviews

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Showing reviews 1-10 of 67 | Next

  1. Satisfied

    Posted by Brian on Feb 18th 2018

    I opened the shirt and it looked stunning. Colors are bold.

  2. Blue Line Spartan Shirt

    Posted by Gary Michael on Jan 13th 2018

    Relentless Defender ran a limited time offer for a free shirt if you purchased two. I really wish they would run these specials more often (and other bonuses for repeat customers). The shirts are very good quality and are form fitting due to the athletic cut. If you want a looser fit then buy a size up. I am 5'10, 230, and have a 40 waist and the XL fits like a glove!

  3. Always happy with RD products

    Posted by Jen Sands on Jan 5th 2018

    I have personally ordered dozens of shirts and sweatshirts from ReLEntless Defender and am always pleased with the quality and cost of the products. The clothing is true to size and doesn’t ware in the wash.

  4. Another great addition

    Posted by Brian Hart on Dec 19th 2017

    Have ordered a total of 5 shirts from this company and their nothing short of excellent. Very comfortable and form fitting and I receive many compliments.

  5. Awesome

    Posted by Unknown on Nov 20th 2017

    The shirt is thin, not the heavy material. The color pops out.

  6. Bold, Proud

    Posted by MD Ret-LEO on Oct 11th 2017

    Great quality, with an impactful design and pride for the wearer, standing up for an admirable cause

  7. Great shirt

    Posted by Unknown on Jun 13th 2017

    I've ordered 4 shirts and they are all great quality and super comfortable. The sleeves can run a little small but overall I highly recommend them. I usually wear xl and the xl from here seem to fit well...could possibly get one size larger if you prefer a looser fit


    Posted by P/O JOSE ALICEA JR on Jun 2nd 2017

    These Shirts Motivate Me, & I Love St.Michael The Archangel, As A 20 Year Newark Police Veteran, I've Never Seen Such Art Work In These Shirts...I Have No Others Words To Say....GOD BLESS YOU ALL.

  9. excellent fit

    Posted by Unknown on May 29th 2017

    Comfortable and excellent fit.

  10. Love my shirts

    Posted by Denise Marciano on Apr 15th 2017

    They are super comfy

Showing reviews 1-10 of 67 | Next