Stretch Denim Fabric - Ultramarine
Stretch Denim Fabric - Ultramarine
SKU:204069
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🧵 Matching Gütermann Thread — £2.50
Recommended for Stretch Denim Fabric - Ultramarine
This midweight stretch denim in ultramarine sits in that vivid sweet spot between indigo and cobalt - saturated and bright without veering into primary-colour territory. The reverse shows the classic lighter blue typical of denim construction, giving you a softer alternative if you want it.
The composition is 61% cotton, 37% polyester, and 3% elastane. Cotton keeps things breathable and gives you that authentic denim handle. Polyester adds durability, helps resist creasing, and keeps that vibrant colour looking sharp after repeated washing — particularly important in a shade this bold. The elastane brings comfortable stretch and recovery, so it moves with you and bounces back every time.
Being midweight, it strikes a nice balance between structure and drape; substantial enough for jackets, jeans, and dungarees, but fluid enough for skirts and dresses too. The stretch content also makes it a kind and forgiving fabric to sew, which is always welcome.
This is a deadstock fabric, meaning it's a one-time buy from existing mill stock. Once it's gone, it's gone. Worth grabbing a little extra if you fall in love with it!
Width: 150cm
Fibre content: 61% Cotton, 37% Polyester, 3% Spandex
Weight: Medium weight
Opacity: Opaque
Recommended Machine Needle: Jeans/Denim 90/14
Pre-Wash is Essential!
Before sewing, always pre-wash your denim to prevent shrinkage later. Wash it on a cold or lukewarm cycle with mild detergent and air dry to keep the fabric’s structure intact.
Wash Less, Wear More
Denim doesn’t need frequent washing. Instead, spot-clean small stains and air your garments to keep them fresh. When a full wash is necessary, turn items inside out and use a cold wash to preserve colour.
Opt for a gentle, non-bio detergent to prevent fading and keep denim soft. Avoid bleach or fabric softeners, as they can break down fibres and dull the colour.
Skip the Tumble Dryer (If You Can!)
High heat can cause denim to shrink and weaken over time. Air dry where possible, laying flat or hanging to maintain its shape. If using a dryer, choose low heat to reduce stress on the fabric.
Iron with Care
Denim doesn’t need much ironing, but if wrinkles appear, use a medium heat setting with steam. For stubborn creases, a damp cloth between the iron and fabric works wonders.
Standard UK Delivery
- Orders over £50 — FREE
- Orders under £50 — £4.99
- Same day dispatch on orders placed before 2pm (Mon–Fri)
- Delivered within 2–5 working days via Royal Mail or DPD
Express UK Delivery
- £6.99 — next working day on orders placed before 2pm (Mon–Fri)
International Delivery
- Europe from £8.95
- Rest of World from £12.95
We do our best to represent colours as accurately as possible in our photography, however colours can vary between screens and devices. Colours may appear slightly different in person due to monitor calibration, lighting conditions, and the nature of photographic reproduction.
If you are unsure about a colour, we recommend ordering a fabric sample before purchasing.
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