Uniqlo
HEATTECH T-Shirt | Scoop Neck
F Fiber Grade
Left off the list
33% Polyester, 31% Acrylic, 21% Rayon, 15% 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 64% petroleum synthetic (33% polyester, 31% acrylic) and 21% regenerated cellulose (21% rayon).
The exact composition
Body 33% Polyester, 31% Acrylic, 21% Rayon, 15% 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.