Patizon R300

The Patizon R300 is a summer-weight down sleeping bag from the Czech manufacturer, built for temperatures hovering around freezing: 6 °C comfort, 2 °C lower limit, and a −13 °C extreme rating. It sits in the three-season category with a clear emphasis on low weight — 675 g with a 300 g fill of recycled duck down (90/10 ratio, 650 cuin fill power), making it a solid pick for summer treks and shoulder-season trips at moderate altitude. The mummy cut (67 cm shoulder, 60 cm hip, 32 cm foot girth) keeps the fill close to the body, and the two-way zipper on the left side allows venting or pairing with a second bag as a quilt. Both shell and liner use recycled Toray Airtastic nylon (38 g/m²) with DWR treatment, so the bag shrugs off light moisture but isn't built for sustained rain. The hood is adjustable via drawcord. Packed down, it compresses to 25×14 cm (3.5 L), leaving little room taken in the pack — a good match for ultralight setups where the sleep system is the biggest lever on base weight. For nights that dip meaningfully below freezing, plan on an extra layer or a warmer bag from the range.