Luxurious warmth for winter nights

Enjoy deep sleep and exceptional comfort with this thick cotton duvet filling. Designed with high insulation (8 Tog), it provides balanced warmth during cold weather. Thanks to its smart design and stable filling, it ensures a smooth, steady surface all night, with a touch of practical luxury unique to Karaz Linen.

100% natural cotton outer fabric on both sides for softness and breathability.
Premium raw microfiber inner filling, thick and insulated at 8 Tog – perfect for winter, autumn, and spring (can also suit summer with strong AC).
Breathable yet warm – maintains comfort without overheating.
Hypoallergenic & gentle on skin, ensuring safe, healthy sleep.
Antibacterial & odor-resistant, as it does not retain moisture.
Long-lasting durability with high-quality stitching and premium fibers.
Anti-clumping design – filling stays evenly distributed thanks to strong quilting.
Includes 12 clips along the edges to securely fasten the filling inside the duvet cover (exclusive feature of Karaz Linen).
Corner fabric ties for added stability in case your duvet cover doesn’t have clips.

Fabric

Outer fabric (both sides): 100% pure natural cotton – soft, breathable, and cooling.
Inner filling: Premium raw microfiber, thick and insulated at 8 Tog, secured with durable quilting.

Available Sizes

This 8 Tog thick cotton duvet filling is available in multiple sizes:

Super King Size: 240×260 cm
King Size: 230×250 cm
Full Size: 200×230 cm
Twin Size: 140×220 cm

Washing Instructions

Dry clean only – do not wash traditionally at home to preserve quality.

Warranty

Comes with a 1-year warranty against filling clumping, provided care instructions are followed.
For more details, please review the Karaz Linen warranty policy.

What is Tog in Duvet Fillings?

Tog (TOG) is a British scale for measuring thermal insulation (warmth).

Higher Tog = more warmth.
3–4 Tog: Suitable for summer.
5–7 Tog: Perfect for spring, autumn, or mild climates.
8–15 Tog: Ideal for winter or cold weather.
The highest global standard is 15 Tog.

Our Cotton Care at Karaz Linen

We wash and comb long-staple cotton fibers before weaving, producing high-strength cotton fabric that ensures durability, softness, and long-lasting quality.