Glassons: May 2026

Based on our analysis of 364 Glassons products, the average garment is 37.6% natural fibre. The most common single fibre is Elastane (in 52.7% of products). The remaining material is typically synthetic — polyester, polyamide, or acrylic.

Sometimes — cotton appears in 28.6% of the 364 Glassons products we analyzed, but it's usually blended with synthetics. Only 21.4% 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 Glassons products that are 100% cotton (or near-pure, 95%+) in our database. Cotton at Glassons is almost always blended with elastane, polyester, or other fibres.

30.5% of Glassons products are polyester-heavy, meaning polyester makes up 50% or more of the garment. This is above average for fast fashion retailers.

30.5% of Glassons products are polyester-heavy (50%+ polyester). Average natural fibre content is 37.6%, so the rest of the catalog is still leaning synthetic in most cases.

21.4% of Glassons products are nearly all-natural (95%+ natural fibre). Only a small fraction of their range avoids synthetic fibres entirely.

Fabric composition is one factor in sustainability. With an average of 37.6% natural fibre, Glassons is below average on this measure. Natural fibres generally biodegrade and shed fewer microplastics than synthetics.