Price range: $699.95 through $749.95
Minimise pack weight without sacrificing warmth on your next bushwalk with the Helium 300 Sleeping Bag. Designed for cool‑weather, three‑season missions down to –1°C, it delivers outstanding warmth in an ultra‑compact package.
The 10×10 denier, 520‑thread‑count nylon shell weighs just 26 g/m² and uses a hot‑rolled‑cire treatment to prevent down leakage and boost long‑term durability. Inside, 850+ loft premium RDS muscovy down with a DWR loft treatment provides resilient warmth, higher loft retention, and improved performance in damp conditions. A refined baffle system, contoured hood, and full‑length YKK zips enhance comfort and versatility, making the Helium 300 a reliable, lightweight companion for bushwalking, bikepacking, and cool‑weather camping.
Features
300 g of 850+ Muscovy Down — Premium loft and warmth with Responsible Down Standard certification.
DWR Loft Treatment — Keeps down lofting higher for longer, even in damp conditions.
Ultralight Nylon Shell — 10×10 denier, 520‑thread‑count, down‑proof fabric at just 26 g/m².
10D Down‑Proof Nylon Lining — Soft, lightweight inner fabric for comfort and packability.
Box‑Walled Construction — Maximises warmth and weight efficiency.
Radial Arc Baffle System — Enhances loft height and thermal performance across horizontal baffles.
Differential Cut — Reduces cold‑spot compression for consistent warmth.
Contoured Hood — Maintains even down distribution around the head.
Oven‑Door Foot Vent — Easy temperature regulation without losing full‑body warmth.
Tuck Stitching — Increases baffle durability and long‑term strength.
Hydrophobic Epic Thread — Prevents moisture from wicking into the shell through stitch lines.
YKK Full‑Length Side & Foot Zips — Dual sliders for ventilation and versatility.
Zip‑Together Compatibility — Left and right models can be paired.
Oversized 3D Draft Tube — Prevents heat loss along the zip.
210D Anti‑Snag Tape — Laminated nylon tape keeps zips running smoothly.
Included Storage — Ultralight siliconised nylon stuff sack + large storage bag with printed care instructions.
Specification
Intended Use: Bushwalking
Season Rating: 3‑Season
Comfort Rating: Women/Cold Sleeper 4°C (39°F)
Lower Limit: Men/Warm Sleeper –1°C (30°F)
Shell Fabric: 520‑thread‑count 10×10D ultralight nylon (26 g/m²)
Lining Fabric: 520‑thread‑count 10×10D ultralight nylon (26 g/m²)
Fill Weight: 300 g
Total Weight:Women’s: 660 g
Standard: 700 g
Extra Large: 750 g
Packed Size: 15 × 29 cm
Down Rating: 850+ loft premium RDS muscovy down
Down Treatment: Water‑resistant DWR loft treatment
Zip Side: Left or Right (Standard), Left (Women’s & Extra Large)
Zip Configuration: Side + Foot zips, YKK brand, dual sliders
Colour: Orange/Black
