The Dpro 890 of the Czech brand Patizon is a sleeping bag to be used in 3 or 4 seasons according to its frigidity. It is filled with 890 grams of hypoallergenic European duck down 700 cuin+, 90/10, RDS certified. The distribution of this down is homogeneous, 50% on the top and 50% on the bottom. The envelope of the sleeping bag is made with Z-chambers to ensure optimum insulation. Thanks to this, it has a comfort temperature of -9°C.

In addition to the down, the sleeping bag has a Primaloft synthetic insulation around the hood. This is more resistant to humidity, it is perfectly adapted to the humidity exhaled during the night and it brings in addition, comfort at the level of the drawcord. Its fabric is a Pertex Quantum Ripstop treated DWR for moisture.

The semi-automatic zipper goes up on the top. This also allows for a more anatomical construction at the shoulders, not requiring velcro to close the opening. Equipped with a blocker, once it is engaged, the zipper's zip no longer slides.