Banana Republic
Sculpted-Stretch Twist-Front Tank
F Fiber Grade
Left off the list
94% Nylon, 6% Elastane
$42.99 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 94% petroleum synthetic (94% nylon).
The exact composition
Body 94% Nylon, 6% 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.