Name: 1st Marine Division Diamond Plate T-Shirt
Brand: Leatherneck For LIfe
Price: 29.95 USD
Availability: InStock

The Old Breed. Built Like Steel.

The 1st Marine Division doesn’t need an introduction. Guadalcanal. Peleliu. Chosin Reservoir. Fallujah. The most decorated division in Marine Corps history has earned its reputation in the hardest places on earth — and this shirt wears that legacy the way it deserves. The 1st Marine Division Diamond Plate T-Shirt combines the rugged, industrial strength of diamond plate steel with the pride of the division that defined what it means to be a Marine. Hard. Unyielding. Built to last.

Why This 1st MarDiv Tee Stands Apart:

1st Marine Division Diamond Plate Graphic – Bold, industrial design featuring the iconic steel tread plate pattern — the same material found on military vehicles and equipment — fused with 1st MarDiv pride
Division-Specific Pride – Built exclusively for Marines and veterans of the 1st Marine Division — The Old Breed — and those who know what that title means
100% USA Made – Proudly manufactured in America with premium materials and superior craftsmanship
Premium 100% Cotton Construction – Soft, breathable fabric built for all-day comfort and lasting durability
9 Colors Available – Navy, Black, Heather Gray, OD Green, Charcoal Heather, Royal, Sand, Gold, and Red
Extended Size Range – Small through 4XL so every Marine and supporter can represent
Versatile Unisex Fit – Classic cut that looks sharp on and off base

The Story Behind the Design: Diamond plate — the raised, interlocking pattern stamped into steel — exists for one reason: grip under pressure. It’s the surface you find on the decks of military vehicles, the floors of armored personnel carriers, and the ramps of landing craft. It doesn’t bend. It doesn’t slip. It holds. That’s the 1st Marine Division. From the jungles of the Pacific to the streets of Fallujah, the Old Breed has held when everything else gave way. This shirt is for the Marines who know what that costs.

Perfect For: 1st Marine Division veterans and active-duty Marines, Camp Pendleton Marines, infantry and combat veterans, military families, and anyone who knows the history of the Old Breed and wears it with pride.

PROUDLY MADE IN THE USA

Size Chart

Size	Chest (inches)	Length (inches)
Small	34-37	28
Medium	38-41	29
Large	42-45	30
X-Large	46-49	31
2X-Large	50-53	32
3X-Large	54-57	33
4X-Large	58-61	34

Guadalcanal. Chosin. Fallujah. The Old Breed never broke. Semper Fi.

American-Made Tees

For over a decade, Leatherneck for Life has had one mission: to provide the Marine Corps community with the best American-made T-shirts on the market. Our commitment to this mission is unwavering and second to none. Our American-made T-shirts are designed, printed, and shipped from our warehouse in New Hampshire. Our exclusive vintage graphics are officially licensed by the United States Marine Corps and will make even the saltiest Marines stand a little prouder.

Commitment to Quality

Our company-wide commitment to American-made goods is more than just a marketing point, it's an obsession. We remember a time when the American worker produced the finest apparel in the world. We also believe that being patriotic is more than just waving a flag or wearing it on your sleeve. It's about about taking pride in where the shirt is manufactured in the first place.