Single MAXI Cold Winter D400 Goose Down Duvet – Daunenstep

D400 Cold Winter: the best DaunenStep single MAXI duvet for cold rooms

The DaunenStep D400 Cold Winter goose down duvet , measuring 155 x 220 cm , is the ideal choice for those who sleep in cold rooms and want enveloping warmth without sacrificing lightness and breathability. The 100% down filling with 730 CUIN filling power offers superior thermal insulation and unparalleled natural comfort.

By purchasing on BenasciuttiCasa you get:

• Official DaunenStep 10 year guarantee
• Original brand case
• Professional assistance in choosing the perfect duvet

Italian tradition and craftsmanship

DaunenStep down jackets are born from the Italian manufacturing tradition . Each piece is constructed and quilted by hand by expert craftsmen, with tailored finishes that guarantee durability, stability, and a perceived quality significantly superior to industrial products.

Supersoft Batista lining: softness and breathability

The 100% Supersoft Batiste cotton fabric is extremely soft, breathable, and gentle on the skin. Completely hypoallergenic and certified anti-mite, it maintains a dry and comfortable microclimate even during prolonged use.

100% down filling – 730 CUIN

The D400 line is designed to offer:

• intense heat ideal for cold rooms
• natural volume and high softness
• constant thermal insulation
• high hygroscopicity for a dry rest

Ethics, safety and certified quality

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

Fixed square quilting and tailored finishes

The fixed-square quilting prevents the duvet from shifting, maintaining uniform warmth across the entire surface. The tailored finishes lend elegance and long-lasting quality.

Room temperature: a guide to choosing the right one

• 15–18°C: Cold Winter is ideal
• Below 15°C: perfect for those who particularly suffer from the cold

Personal sensitivity to heat

If you're sensitive to the cold , the D400 Cold Winter provides the perfect warm embrace. If you're a warm person , you might prefer a mid-season model. The natural down ensures a balanced microclimate even with the window slightly open.

Maintenance and longevity

• Washing: max 40°C
• Dryer: recommended for restoring volume
• Full wash: every 3 years
• Daily use: air and shake the duvet

Why choose the D400 Cold Winter Single MAXI

The 155x220 cm size offers extra length, increasing comfort for those seeking greater coverage. Natural, handcrafted, ethical, and incredibly warm, the D400 Cold Winter is one of the best DaunenStep duvets for those seeking superior quality and excellent performance in the coldest rooms.