5/2 Pure Mulberry Spun Silk | Swiss Silk

Looking for a silk yarn that offers beautiful strength and clarity on the loom? Swiss Mountain Silk 5/2 Pure Mulberry Spun Silk is a refined, dependable weaving yarn prized for its smooth handle, subtle sheen, and exceptional performance. Spun in Switzerland from 100% mulberry silk, this yarn is ideal for scarves, garments, heirloom textiles, and fine woven yardage.

This yarn is designed to reward both precision and thoughtful finishing. The balanced 2-ply construction provides excellent tensile strength, making it suitable for both warp and weft, while maintaining a smooth, even surface that allows weave structures to shine. As a spun silk, it offers more cohesion and forgiveness than filament silk, with a soft, matte-to-satin lustre that enhances pattern without overwhelming it. After finishing, the cloth relaxes and gains suppleness, developing a graceful drape and smooth hand.

Swiss Mountain Silk 5/2 Pure Mulberry Silk excels in projects that call for silk at its most versatile and approachable.

Key Features & Benefits

Pure Mulberry Silk – Long-staple silk produces smooth, strong, and refined fabrics.
Strong & Stable – Suitable for warp or weft; handles loom tension reliably.
Elegant Lustre – Subtle sheen enhances structure and colour without excessive shine.
Excellent Pattern Definition – Ideal for twill, satin, lace, colourwork, and fine textures.
Fluid Drape – Finishes into soft, flowing cloth with a cohesive surface.
Swiss Spinning Quality – Precisely spun for consistency, reliability, and ease of use.

Specifications

Fiber Content: 100% Mulberry Silk
Yarn Count: 5/2
Put-Up: 100 g skeins and 1 kilo cones
Approx. Length: 420 metres per 100 grams; 4200 metres per 1 kilo
Use: Suitable for both warp & weft

Suggested Setts (approximate):

• Plain Weave: 18–22 EPI

• Twill: 20–24 EPI

Sampling is recommended to fine-tune density and drape for your project.

Finishing: Gentle wash to soften and allow the cloth to relax
Care: Hand wash recommended; dry flat 

Why We Love It

Swiss Mountain Silk 5/2 Pure Mulberry Spun Silk is a studio staple for our projects that call for a luxury fibre with reliable performance. It weaves smoothly, behaves predictably on the loom, and finishes into cloth that feels intentional and enduring. For weavers seeking a pure silk yarn that balances beauty with practicality, this is a truly rewarding choice.