Uniqlo
Stand Collar Shirt | Long Sleeve
F Fiber Grade
Left off the list
79% Rayon, 21% Nylon
$19.90 We left this one off the list.
Listing confirmed live Jun 8, 2026.
Why it earns an F
- Only 0% natural fiber, below the 50% floor.
- Dominated by 21% petroleum synthetic (21% nylon) and 79% regenerated cellulose (79% rayon).
The exact composition
Body 79% Rayon, 21% Nylon
We grade the body or shell, the fabric you actually wear. Synthetic linings or trims are shown here but do not change the grade.