Macro photograph of recycled nylon and Lycra knit fabric

The Best Fabric for Pilates Leggings

Noa Ellery · 20 May 2026 · 7 min read

Fabric is the first decision a premium legging makes. A guide to the knits that flatter, support and hold their shape through a hundred classes.

Fabric is the part of a legging you don't see on the tag. It's the thing your skin decides on within five minutes, and most cheaper leggings are defined entirely by what the fabric isn't.

Nylon vs polyester, plainly

Nylon is softer, denser and more breathable than polyester. It handles heat better, recovers its shape more reliably, and has a slightly dry matte finish. Polyester is cheaper and dries faster: useful for high-sweat cardio, less ideal for the quiet, sustained work of a Pilates class.

The role of Elastane

Elastane, Lycra is the brand name, determines how the legging returns to shape. Below 15% and you'll see bagging at the knee. 20–25% and the legging recovers cleanly between classes.

Gram weight matters

210–240 gsm is the Goldilocks band for Pilates: dense enough to be opaque, light enough to breathe. The Sculpt Legging sits at 230 gsm.

Certifications worth reading

Oeko-Tex Standard 100 tests for harmful substances. bluesign-approved fabrics are audited across water, energy and chemical use. Both are independent, and both indicate that a brand spent money on fabric selection.

Written by

Noa Ellery

Design & Fabric Lead

The Edit

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