Grain Convertible-Collar Cotton-Gauze Shirt
PORTUGUESE FLANNEL's shirts release enters Vinchy's AI lab for a closer look at fabrication, fit, and care notes.
Tagged at $140, quality lands at 60/100, comfort at 70/100, and sustainability at 70/100 for discerning shoppers.
- Brand · PORTUGUESE FLANNEL
- 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 60/100
This shirt is made from lightweight, non-stretchy cotton-gauze, which suggests a delicate fabric that may not withstand heavy wear. The use of shell buttons, while aesthetically pleasing, can be prone to chipping or breaking if not handled with care.
Comfort Assessment 70/100
This 'Grain' shirt, crafted from tactile cotton-gauze, offers a relaxed profile for easy wear. While the fabric is lightweight, note that it's non-stretchy, which might limit some movement.
Sustainability Impact 70/100
This shirt is crafted from 100% cotton, a natural fiber, but the text does not offer any further sustainability indicators regarding organic certification, water usage, or ethical production practices.
Measurement breakdown
Measurements across available sizes.
| Size | Bust | Shoulder | Sleeve | Back Length |
|---|---|---|---|---|
| XS | 104 cm | 41 cm | 43 cm | 68 cm |
| XL | ||||
| L | ||||
| M | ||||
| S | ||||
| XXL | ||||
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.
Editor's Notes: Portuguese Flannel's 'Grain' shirt is named for its texture. It's cut from tactile cotton-gauze with a convertible collar and has a relaxed profile which fastens with glossy shell buttons. Wear yours with a pair of the brand's shorts.
Size & Fit: Model wears a size larger to achieve a looser fit Lightweight, non-stretchy fabric Model is shown wearing a L Model measures: chest 38"/ 96cm, height 6'2"/ 188cm View size guide
Details & Care: Green cotton-gauze Button fastenings 100% cotton Machine wash or dry clean Shell: Vietnam
Delivery and Returns: Find out more about our delivery options . Try items in the comfort of your own home. If they're not quite right, you've got 28 days to request an exchange or return and send them back to us. We'll collect them from your nearest UPS drop off point. Free returns are offered within 14 days of delivery.