Shellback – Ancient Order of the Deep Unisex garment-dyed heavyweight t-shirt

This isn’t just a shirt—it’s a story waiting to happen. The moment someone asks about it, your crossing memories come back like a wave, and the sea stories roll. “Listen up lads, this ain’t no shi—” and you’re back on deck, salt spray in the air, the brotherhood alive in every detail. The Shellback shirt isn’t for everyone—it’s for those who’ve earned it, and for those who know the legacy. Wear it proud. Show them who you are.

Forged in saltwater tradition, this isn’t just a T-shirt—it’s a declaration. The Shellback logo blazes across the chest in proud navy gold, backed by a striking green sea turtle shell. Flanking it, fiery orange-to-red sunburst seahorses guard the crossed tridents and anchor beneath.

Above: Ancient Order of the Deep.
Below: Imperium Neptuni Regis.
Front and center: SHELLBACK—bold, blocky, and unyielding.

Designed by a sailor, for sailors, this shirt honors the centuries-old rite of passage for those who have crossed the equator under King Neptune’s watchful gaze. Built for sea dogs, deckhands, and deep-water dreamers alike.

Why You’ll Want It

Authentic Design: Crafted by a Shellback who knows the pride behind the title.

Full-Chest Print: Striking and unmistakable from the pier to the pub.

Premium Comfort: Soft yet durable fabric that holds up to salt, sweat, and stories.

Wear it on shore leave. Wear it on watch. Wear it to remind the world—you’ve been to the line and back.

Join the Order. Wear the Legend.

If you’re looking for a thick, structured tee that’s also super soft and breathable—look no further! The unisex garment-dyed heavyweight t-shirt ticks all the boxes and is made of 100% ring-spun cotton. The regular t-shirt style will complement most looks and fit you to a tee.

• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed
• Relaxed fit
• 7/8″ double-needle topstitched collar
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
• Blank product sourced from Honduras

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!