Japan Navy OF-1a T-Shirt - Design Description
This t-shirt features a design honoring the rank of Kaigun Shōi, the upper junior officer grade (OF-1a) in the Imperial Japanese Navy.
Shoulder Board Representation
The primary visual element is a depiction of the shoulder board insignia. A single, medium-width gold stripe is prominently displayed, signifying the OF-1a rank. The design accurately replicates this crucial element of the officer's uniform.
Executive Curl Detail
Accompanying the gold stripe, the design often incorporates the executive curl, the distinctive loop that denoted the executive branch within the IJN. This element provides an additional layer of authenticity, reflecting the traditional rank structure.
Sleeve Insignia Integration
In certain variations, the design may also incorporate a representation of the sleeve insignia. This further emphasizes the rank, often including a gold stripe matching the shoulder board, augmented with the same executive curl for added detail.
Meaning and Symbolism
The design clearly communicates the rank and signifies respect for the IJN and its traditions. The bold presentation of the single gold stripe and curl directly reflects the officer's position and the history of the Imperial Japanese Navy.
Unisex Heavy Cotton T-Shirt
A reliable classic cotton tee built for comfort, durability, and style. This unisex heavy cotton shirt is the perfect everyday staple — soft, structured, and designed to make printed designs look sharp and vibrant.
Product Highlights
- 100% heavy cotton fabric for structure and comfort
- Smooth surface ensures vivid, long-lasting prints
- No side seams for irritation-free wear
- Reinforced shoulders to maintain shape over time
- Classic unisex fit — works for all body types
Fit & Style Notes
Designed with versatility in mind, this tee works as your everyday go-to. Wear it true-to-size for a classic fit, or size up for a relaxed, modern drape. The mid-weight cotton balances softness and structure, making it equally great for layering or wearing on its own.
Style it with jeans, joggers, or skirts — its timeless silhouette makes it easy to dress up or down. Perfect for personal wear, printing, branding, or merch drops.
Size Guide
For best results, measure a t-shirt you already own laid flat and compare the chest width and length to the chart below.
| Size | Width (in) | Length (in) | Sleeve (in) |
|---|---|---|---|
| S | 18.00 | 28.00 | 15.10 |
| M | 20.00 | 29.00 | 16.50 |
| L | 22.00 | 30.00 | 18.00 |
| XL | 24.00 | 31.00 | 19.50 |
| 2XL | 26.00 | 32.00 | 21.00 |
| 3XL | 28.00 | 33.00 | 22.40 |
| 4XL | 30.00 | 34.00 | 23.70 |
| 5XL | 32.00 | 35.00 | 25.00 |
Tip: Compare these measurements with your favorite tee for the best fit.
Care Instructions
- Machine wash cold (max 30°C / 90°F)
- Use non-chlorine bleach only when necessary
- Do not iron directly on printed designs
- Do not dry clean
- Tumble dry on low heat
