Double-Quilt Cold Winter D400 Goose Down Duvet – Daunenstep

D400 Cold Winter: the DaunenStep duvet ideal for cold rooms

The DaunenStep D400 Cold Winter goose down duvet , measuring 200x200 cm , is designed to provide enveloping and consistent warmth, perfect for those who sleep in cold rooms or seek superior insulation on winter nights. The 100% down filling with a fill power of 730 CUIN offers the highest level of comfort.

By purchasing on BenasciuttiCasa you get:

• Official DaunenStep 10 year guarantee
• Original Daunenstep case
• Dedicated professional assistance

Italian tradition and tailoring

Each DaunenStep duvet is the result of Italian tradition in duvet manufacturing. It is constructed and quilted by hand by expert craftsmen, with precise tailoring finishes that guarantee durability, aesthetics, and superior quality compared to industrial duvets.

Supersoft Batista lining: very fine and hypoallergenic cotton

The 100% Supersoft Batista cotton fabric is extremely soft, breathable, and gentle on the skin. Certified anti-mite and completely hypoallergenic , it ensures hygiene and comfort even for those with dust allergies.

100% down filling – 730 CUIN

The D400 line guarantees:

• intense heat for cold rooms
• natural volume and high softness
• constant thermal insulation
• hygroscopic treatment for a dry microclimate

Ethics and safety of materials

The feathers used do not come from live or mistreated animals . The product is made without harmful substances and is suitable for those with dust allergies, in compliance with OEKO-TEX standards.

Fixed square quilting and flat edge with buttonholes

The fixed square quilting keeps the down evenly distributed, preventing cold spots. The tailored finishes and flat buttonhole hem ensure long-lasting stability and superior craftsmanship.

Room temperature: a guide to choosing the right heat

• 15–18°C: perfect for cold winters
• Below 15°C: ideal for those who love a very enveloping warmth

Personal sensitivity to heat

Those who are sensitive to the cold will find maximum comfort in the D400 Cold Winter. Those who prefer warmer temperatures might prefer a mid-season model. The natural down, thanks to its hygroscopicity , keeps the microclimate dry even with the window ajar.

Maintenance and durability

• Washing: max 40°C
• Dryer: recommended to maintain volume
• Full wash: every 3 years
• Daily use: air and shake lightly

Why choose the D400 Cold Winter Piazza e Mezza

The 200x200 cm size offers the perfect balance between spaciousness and warmth. Made in Italy, ethically sourced, natural, and high-performance, the D400 Cold Winter is one of the best DaunenStep duvets for those seeking quality, tradition, and maximum thermal comfort.