Rain Kasuri Sashiko Workshirt in Natural Indigo
Samurai's shirts release enters Vinchy's AI lab for a closer look at fabrication, fit, and care notes.
Tagged at $395, quality lands at 100/100, comfort at 70/100, and sustainability at 80/100 for discerning shoppers.
- Brand · Samurai
- Category · Shirts
AI scorecard
What matters most for shoppers researching this piece right now.
Craftsmanship, stitching, and long-term durability.
Movement, breathability, and day-long wear.
Environmental impact and responsible sourcing.
Attribute deep dive
We break down what drove each score so you can weigh trade-offs.
Quality Analysis 100/100
This Samurai workshirt is built for the long haul, featuring a heavy-weight sashiko fabric, triple-needle stitched construction, and chain-stitched side seams, all designed to retain durability for many years to come. Further enhancing its lifespan are practical details like reinforced elbows and gusseted side vents, which reduce stress on the garment during wear.
Comfort Assessment 70/100
The heavy-weight, thick-count fabric and 100% cotton composition suggest a durable but potentially stiff garment, though the flannel texture and unbrushed feel may offer some initial softness. Comfort is enhanced by practical features like gusseted side vents and a regular fit, which allow for better movement and ventilation.
Sustainability Impact 80/100
This garment features a strong positive sustainability indicator: the use of Natural indigo dye, which is generally less toxic and more biodegradable than synthetic alternatives. The durable construction, including triple-needle stitching and reinforced elbows, also suggests a design intended for longevity.
Measurement breakdown
Measurements across available sizes.
| Size | Bust | Shoulder | Sleeve | Length |
|---|---|---|---|---|
| XXX-Large | 130.8 cm | 52.1 cm | 71.8 cm | 80 cm |
| X-Large | ||||
| Medium | ||||
| Large | ||||
| XX-Large | ||||
Gallery
Reference shots help you validate textures, hardware, and proportion before you buy.






Garment details
Need-to-know info pulled from the retailer’s description, sizing notes, and care callouts.
This unique heavy-weight work shirt from Samurai is woven using three colored threads: indigo, asagi, and kinari; all strategically placed to give the appearance of rain. A combination of flannel texture and sashiko, the fabric is made with a thick count on a dobby loom, giving it soft and unbrushed feel but retaining durability for many years to come. The shirt features chain-stitched side seams, gusseted side vents, and custom detailing accentuating the brands uniquely Japanese ethos.
Regular fit
Woven sashiko fabric Natural indigo dye Chain stitched side seams Triple-needle stitched construction Two chest pockets Reinforced elbows Gusseted side vents 100% cotton Made in Japan SKN24-01W