--- title: "Elastic Covering Yarn (Nylon/Spandex) | Mr Balaclava" description: "Spandex (elastane) core wrapped in nylon or polyester. It is knitted in with the face yarn to give a sock its stretch, its grip on the leg and its…" url: https://mrbalaclava.com/materials/fabric/elastic-covering-yarn/ language: en-US updated: 2026-10-12T15:19:39+00:00 alternates: fr: https://mrbalaclava.com/fr/materials/fabric/fil-elastique-guipe.md de: https://mrbalaclava.com/de/materials/fabric/elastisches-umwindegarn.md es: https://mrbalaclava.com/es/materials/fabric/hilo-elastico-recubierto.md publisher: Mr Balaclava (https://mrbalaclava.com/) --- Yarn · Elastane (spandex) · Polyamide (nylon) # Elastic Covering Yarn (Nylon/Spandex) Spandex (elastane) core wrapped in nylon or polyester. It is knitted in with the face yarn to give a sock its stretch, its grip on the leg and its recovery, and it does most of the work in top bands, arch bands and compression zones. Partly verified specification [Get a quote in this fabric](https://mrbalaclava.com/contact-us/) [All sock yarns & constructions](https://mrbalaclava.com/materials/sock-yarns/) Updated 12 October 2026 ![Elastic Covering Yarn (Nylon/Spandex): two unlabelled cones of white elastic covering yarn](https://mrbalaclava.com/wp-content/uploads/2026/10/elastic-covering-yarn-white-close-up-1024x683.webp) *Similar fabric texture. The real fabric can look slightly different; the overall look and feel are the same.* - [![Elastic Covering Yarn (Nylon/Spandex): close-up of the elastic ribbed top band of a white sock](https://mrbalaclava.com/wp-content/uploads/2026/10/elastic-covering-yarn-white-swatch-300x200.webp) Top band: where the elastic yarn holds the sock up.](https://mrbalaclava.com/wp-content/uploads/2026/10/elastic-covering-yarn-white-swatch-1024x683.webp) - **50 pcs** Minimum order - **14 days** Standard lead time - **OEKO-TEX®** Fabrics from certified mills - **ISO 9001** Certified (Eco Jersey Limited) - **Sedex** Member (Eco Jersey Limited) Specification ## What is typical, and what we confirm for your order ### Typical for this fabric type **Construction** Rib knit **Knit** Elastic yarn plated or inlaid in weft-knitted socks **Usual composition** Elastane (spandex) core covered with nylon or polyester. **Weight class** Lightweight **Feel** Not felt on its own; gives the sock its stretch and recovery **Season** All year **Warmth** Low **Breathability** Moderate **Stretch** Very high **Moisture management** Moderate **Quick drying** High **Softness** Moderate **Durability** High General textile guidance, not a lab measurement of our fabric. ### Mr Balaclava specification **Availability** Used in every sock we knit, in the top band, arch band and stretch zones Anything not listed here is confirmed with your quote. - Recycled version: ask with your quote **Decoration suitability** - Custom knitting (yarn-based) Suitable An engineering yarn: it is not decorated. Industry guidance for this fabric type. We confirm the method on a sample before production. [Get a quote in this fabric](https://mrbalaclava.com/contact-us/) Where it is used ## Products made in this yarn Made with this yarn Can also be made with this yarn The photos show these products in another material. We make them with this yarn to order. Browse the collection - [Ski Accessories](https://mrbalaclava.com/product-category/ski-wear/ski-accessories/) Product guides - [Custom socks](https://mrbalaclava.com/socks-manufacturer-and-supplier/) Compare ## Similar fabrics - ![Graduated Compression Sock Knit: close-up of dense black compression sock knit](https://mrbalaclava.com/wp-content/uploads/2026/10/graduated-compression-sock-knit-black-close-up-768x512.webp) ### [Graduated Compression Sock Knit](https://mrbalaclava.com/materials/fabric/graduated-compression-sock-knit/) A knit with zoned tension: firmest at the ankle and easing towards the top of the leg, built… - ![Rib Sock Knit (1×1, 2×2): close-up of black 2x2 rib sock knit](https://mrbalaclava.com/wp-content/uploads/2026/10/rib-sock-knit-black-close-up-768x512.webp) ### [Rib Sock Knit (1×1, 2×2)](https://mrbalaclava.com/materials/fabric/rib-sock-knit/) A knit of alternating raised and lowered columns that stretches sideways and springs back. Used at the cuff,… - ![Combed Cotton Sock Yarn (Cotton/Nylon/Elastane): two unlabelled cones of white combed cotton sock yarn](https://mrbalaclava.com/wp-content/uploads/2026/10/combed-cotton-sock-yarn-white-close-up-768x512.webp) ### [Combed Cotton Sock Yarn (Cotton/Nylon/Elastane)](https://mrbalaclava.com/materials/fabric/combed-cotton-sock-yarn/) The everyday sock yarn: combed cotton for a smooth, soft feel, plated with nylon for strength at the… - ![Two unlabelled cones of navy mercerized cotton sock yarn](https://mrbalaclava.com/wp-content/uploads/2026/10/mercerized-cotton-sock-yarn-navy-close-up-768x512.webp) ### [Mercerized Cotton Sock Yarn](https://mrbalaclava.com/materials/fabric/mercerized-cotton-sock-yarn/) Cotton yarn treated to add a soft sheen, strength and deeper colour. Knitted in fine gauge for dress…