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GOOD ON / Half Sleeve Heavy Retro Henry Neck T-Shirt
The popular Heavy Raglan T-shirt, which has gained a loyal following, has been updated with a special design exclusive to ROCOCO. The sturdy 9oz fabric remains the same, but the silhouette has been updated to fit any occasion and body type, creating a look that is perfect for today's fashion.
Key features include a half-sleeve length that naturally covers the hips, a retro henley neckline that doesn't overpower, and a relaxed fit with extra room in the body for ease of movement and a comfortable feel.
Despite its thickness, the fabric is breathable, making it comfortable even on the hottest summer days. Reviews praise its “airflow through the shoulders and sleeves” and “stress-free wearability.” This versatile piece can be styled just right or oversized, catering to a wide range of body types, from those with a sturdy build to those with a slimmer figure.




















GOOD ON
Founded in Japan with a vision to recreate the durability and evolving character of vintage American-made T-shirts. GOOD ON offers T-shirts and sweatshirts made from carefully selected, high-quality American cotton.


Heavyweight fabric with a soft, lived-in feel
Crafted from premium American cotton, this 9oz fabric offers a substantial feel while gradually becoming softer and more comfortable with every wear. With time, it develops a refined, vintage-like character.

“Pigment Dye” that deepens in character over time
The thick fabric's natural texture enhances the unique tonal variations of pigment dye, giving each piece a one-of-a-kind look.
With every wash, the surface gradually fades, further enriching its vintage appeal—changing beautifully the longer it's worn.
*Please note: only the White version is reactive dyed. This technique uses ultra-fine dye particles that penetrate deep into the fabric for a clean, even finish and vivid color.
Globally recognized premium U.S. cotton
GOOD ON uses “COTTON U.S.A.” certified cotton—an international standard for quality, ensuring over 50% of the fabric is made with high-grade American cotton.
This mark is awarded by the Cotton Council International and only appears on products that meet both international and Japan’s strict quality standards—a true mark of trust.

Exclusive details in a refined design
The neckline features a slim binder finish in a classic Henley style. Named after the shirts worn in the Henley Royal Regatta boat race on the River Thames, this detail carries a rich heritage.
The placket is made with woven fabric and accented by clean puckering. Reinforced stitching supports the heavyweight material, while raglan sleeves allow for a more flexible, comfortable fit without the bulk.

Built to last for over a decade
Each GOOD ON piece is made to endure the rigorous processes of dyeing, washing, and high-temperature drying—ensuring lasting durability.
These processes place significant stress on seams, requiring exceptional stitch strength. As such, every garment is constructed with reinforced techniques and durable stitching throughout—designed to last for years to come.

With a relaxed fit through the body and raglan sleeves, this piece offers easy layering and a comfortable silhouette. The slightly cropped length and effortless drape lend a natural, laid-back elegance.





SIZE
※Check out the size guide for more accurate measurements.
Staff comment
● Staff (165cm / 52kg) Build: Slim Wearing size: S / M Size S falls just over the hips, with sleeves that reach the elbows—creating a clean, balanced look with some room through the body. Size M provides a more relaxed silhouette without feeling oversized. Many customers with similar builds have commented that the sizing feels “just right.” If you prefer a looser, more laid-back fit, size M is recommended. |
● Staff (171cm / 61kg) Build: Average Wearing size: L The hem hits around the hips, and the sleeves extend beyond the elbows to a 3/4 length. It offers a comfortable amount of room while maintaining a smart appearance. Customers with similar body types have said L feels light and easy to wear, though some also consider sizing up to XL. Your preference for a snug or roomy fit will help guide your choice. |
● Staff (177cm / 67kg) Build: Average Wearing size: XL This size fully covers the hips and elbows, with a loose yet clean silhouette. The fabric is structured and breathable, offering comfort even in warmer weather. Customers with similar builds have praised the piece for being “thick yet breathable” and “stress-free.” A great choice for long-term wear. |
● Staff (181cm / 80kg) Build: Broad Wearing size: XL Roomy throughout, but with a well-balanced silhouette that avoids looking sloppy. The hem nearly covers the hips, and the sleeves fall at the elbows. Despite the heavier fabric, it remains breathable and comfortable. A smart-looking T-shirt that suits a variety of builds. |
SPEC
Materials | 100% cotton |
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Country of Origin | JAPAN |
Model Wearing | Wearing size L (171cm/57kg) |
Care Instructions | ※Please note that the colours may look different from the real thing depending on your monitor environment. |
Weight | 400g |
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Features

How to Wash Your Cap

How to Make Your T-shirt Last Longer
