Uniqlo: June 2026

Based on our analysis of 42 Uniqlo products, the average garment is 79.9% natural fibre. The most common single fibre is Cotton (in 47.6% of products). The remaining material is typically synthetic — polyester, polyamide, or acrylic.

Sometimes — cotton appears in 47.6% of the 42 Uniqlo products we analyzed, but it's usually blended with synthetics. Only 59.5% of items are nearly all-natural (95%+ natural fibre), so check the composition before assuming a piece is pure cotton.

Effectively no. We didn't find any Uniqlo products that are 100% cotton (or near-pure, 95%+) in our database. Cotton at Uniqlo is almost always blended with elastane, polyester, or other fibres.

0% of Uniqlo products are polyester-heavy, meaning polyester makes up 50% or more of the garment. This is below average for fast fashion retailers.

0% of Uniqlo products are polyester-heavy (50%+ polyester). Average natural fibre content is 79.9%, so the rest of the catalog is mostly natural-led.

59.5% of Uniqlo products are nearly all-natural (95%+ natural fibre). A decent portion of their range avoids synthetic fibres entirely.

Fabric composition is one factor in sustainability. With an average of 79.9% natural fibre, Uniqlo is better than many competitors on this measure. Natural fibres generally biodegrade and shed fewer microplastics than synthetics.