Straight front view of a black t-shirt with a mermaid graphic, "RESIST THE SIREN CALL" text, and a DIA logo on the sleeve.

Black Flag - Resist the Siren Call T-Shirt

Black / S
$24.95
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Straight front view of a black t-shirt with a mermaid graphic, "RESIST THE SIREN CALL" text, and a DIA logo on the sleeve.
  • Straight front view of a black t-shirt with a mermaid graphic, "RESIST THE SIREN CALL" text, and a DIA logo on the sleeve.
  • Man on a ship deck setting wearing a black t-shirt with a mermaid graphic, "RESIST THE SIREN CALL" text
  • Three-quarter view of a black t-shirt with a mermaid graphic, "RESIST THE SIREN CALL" text, and a DIA logo on the sleeve.
Black Flag - Resist the Siren Call T-Shirt

Black Flag - Resist the Siren Call T-Shirt

$24.95
ColorBlack
Size

WEAR GEAR THAT MATTERS

Proceeds from this design go to Veteran & First Responder non-profits /// Learn More: Giving Back

Free Exchanges & Returns

SIZE CHARTS

Our apparel is engineered for an athletic, tailored fit. Size up for extra room.

TOPS

HATS

One Size Fits Most: 6 1/2" - 7 5/8"

Need Help or Have Questions?

Reach out to us at hello@diaapparel.com

*Size charts provided by garment manufacturers

FAQS

PRODUCT INFO

Our apparel has a tailored fit, so if you're between sizes we recommend sizing up. If your order doesn't fit the way you'd like, just let us know and we'll take care of you with an exchange.
Our customers love the quality and design of our shirts and prints. If anything doesn't meet your expectations, just let us know and we'll make it right.

ORDERS & RETURNS

We offer an unconditional 30-day money-back guarantee. If you're not happy with your purchase, just contact us within 30 days of delivery and we'll refund 100% of your money, including shipping. We'll even cover the cost to send it back. Get in touch at support@diaapparel.com.
We're happy to help with exchanges within 30 days of delivery. Just make sure the item is brand new, unused, and unworn. Email us at support@diaapparel.com and we'll send you a prepaid return label. Once we receive your return, we'll get your exchange order placed. Please note that custom, special ordered, and discontinued items can't be exchanged.
When your order arrives, take a moment to inspect it. If you find anything damaged, defective, or incorrect, just get in touch with us at support@diaapparel.com within 30 days and we'll send you a replacement at no charge.

SHIPPING & CUSTOMER SERVICE

We ship most orders within 3–5 business days. You'll get free standard shipping on orders of $50 or more. We can also deliver to APO/FPO/DPO addresses, but we don't currently ship internationally.
We're a small, mission-driven brand and we stand behind every order. If anything isn't right, reach out to us at support@diaapparel.com and we'll make it right.

ABOUT DIA APPAREL CO.

DIA specializes in apparel and merchandise that celebrate American values, military heritage, veteran pride, and the pursuit of personal greatness.
DIA Apparel serves veterans, active-duty military, first responders, and anyone who values American freedom, personal accountability, and unapologetic patriotism.
DIA offers a wide range of apparel including t-shirts, hoodies, hats, and caps spanning military memorial designs, veteran tributes, and patriotic statements.
Yes. DIA regularly donates portions of proceeds from specific designs to veteran charities, first responder organizations, mental health support foundations, and causes supporting deployed servicemembers and their families.
DIA's core mission is to inspire personal greatness, self-reliance, and unwavering patriotism. The brand champions individual freedom, rejects mediocrity, and celebrates the strength found in discipline and courage.
Yes, extensively. DIA features memorial designs for the Kabul 13, the men of FDNY Ladder 3 (9/11), Medal of Honor recipients, Vietnam veterans, and deployed servicemembers. Many include charitable giving to support families and survivors.
Key themes include personal sovereignty, honoring sacrifice and service, pursuing freedom and independence, military pride across all branches, and the importance of self-reliance.
NOT JUST APPAREL /// A STATEMENT
Not Every Threat Comes At You With Teeth

By DIA Apparel Co.

Some of the most dangerous things in life show up looking beautiful, easy, and harmless. Comfort. Distraction. Temptation. The easy road. The wrong people. The empty promises that pull you away from who you’re trying to become. That’s the siren call. It doesn’t attack you head on. It lures you off course.

That’s what this deisng is about.

To Resist the Siren Call is to stay locked in on your purpose when the world keeps trying to seduce you into settling for less. It’s having the discipline to say no to what feels good right now so you can chase what actually matters. Greatness has always demanded sacrifice, and usually the first thing you have to sacrifice is the urge to drift.

The modern pirate understands that not every battle is fought with steel. Some are fought in the mind. Some are fought in the quiet moments, when nobody’s watching and it would be a whole lot easier to lose focus, lower your standards, and go wherever the current takes you. But that’s not how you chart your own course. That’s how you end up shipwrecked with a smile on your face and no idea how you got there.

This piece belongs in the Black Flag Collection because the Black Flag mindset is all about self command. No kings. No cages. No surrender to weakness, distraction, or false comfort. You choose the course. You hold the line. You keep sailing.

The call will always be there.

The question is whether you’re strong enough to resist it.
Care & Maintenance

• Machine wash cold, inside-out, gentle cycle with mild detergent and similar colors. Use non-chlorine bleach, only when necessary. No fabric softeners.
• Tumble dry low, or hang-dry for longest life.
• Cool iron inside-out if necessary. Do not iron decoration.
• Do not dry clean.
Fit & Feel

Soft, form-fitting, and pre-shrunk. Maintains shape after washing.
Product Materials

• 100% ring-spun combed cotton
• Pre-shrunk fabric
• Side-seamed construction
• Standard length

THE DIA STANDARD

PURPOSE DRIVEN MISSION

Proceeds from every sale go directly to Veteran & First Responder non-profits.

THE IRON CLAD GUARANTEE

Love your gear or get a 100% full refund. No friction. Zero hassle.

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Veteran Crafted

100% original gear, created from scratch by Veterans.

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