Uniqlo
Ultra Stretch Active T-Shirt
F Fiber Grade
Left off the list
77% Polyester, 23% Elastane
$19.90 We left this one off the list.
Listing confirmed live Jun 12, 2026.
Why it earns an F
- Only 0% natural fiber, below the 50% floor.
- Dominated by 77% petroleum synthetic (77% polyester).
The exact composition
Body 77% Polyester, 23% Elastane
We grade the body or shell, the fabric you actually wear. Synthetic linings or trims are shown here but do not change the grade.