The Sierra Designs Cloud 20 800 DriDown Sleeping Bag

The Sierra Designs Cloud 20 is a premium, zipperless three season down sleeping bag that combines the warmth of a mummy bag with the unrestricted comfort of a quilt. Featuring 800 fill power PFC-free DriDown insulation, it provides excellent warmth even in damp conditions while packing down small for lightweight adventures. The unique overlapping comforter design and pad-sleeve ensure you stay warm and comfortable all night without the hassle of zips.

• Zipperless design - overlapping comforter provides easy access and a draft-free seal.
• 800FP DriDown insulation - hydrophobic down retains loft and warmth even when damp.
• Pad-sleeve base - keeps your sleeping mat securely in place and prevents rolling off.
• Self-sealing foot vent - allows quick ventilation on warmer nights.
• Lightweight 15D nylon ripstop shell - durable, soft and PFC-free water repellent treated.
• Shaped hood and draft protection - locks in warmth around the head and shoulders.
• Includes stuff sack and mesh storage sack - for compact packing and long-term storage.

Who is it for: Perfect for backpackers, bikepackers and wild campers who want a lightweight, high-performance down bag with zip-free comfort. Ideal for three season UK adventures from spring through autumn.

Temperature & Performance:

• EN/ISO Comfort: 26°F / -3°C
• EN/ISO Lower Limit: 15°F / -10°C
• Real-world performance depends on clothing, sleeping mat and shelter setup.

Key Features:

• Zipperless quilt-style top for unrestricted sleeping positions
• Pad-sleeve keeps bag centred on your mat
• Self-sealing foot vent for quick heat adjustment
• RDS-certified, PFC-free 800 fill power DriDown insulation
• Durable 15D nylon ripstop shell and liner

Materials:

• Insulation: 800 fill power PFC-free DriDown
• Shell Fabric: 15D nylon ripstop
• Liner Fabric: 15D nylon ripstop

Specifications:

• Fits Up To Height: Regular 183 cm / 6 ft 0 in, Long 198 cm / 6 ft 6 in
• Overall Length: Regular 198 cm / 78 in, Long 213 cm / 84 in
• Shoulder Circumference: Regular 152 cm / 60 in, Long 157 cm / 62 in
• Hip Circumference: Regular 147 cm / 58 in, Long 152 cm / 60 in
• Footbox Circumference: Regular 102 cm / 40 in, Long 107 cm / 42 in
• Fill Weight: Regular 419 g / 14.8 oz, Long 465 g / 16.4 oz
• Total Weight: Regular 850 g, Long 886 g
• Stuff Sack Size: 38 x 19 cm
• Storage Sack Size: 51 x 31 cm

Care:

• Use with a sleeping mat with an appropriate R-value for the season.
• Air and store in the mesh sack to maintain loft.
• Spot clean or wash with down-safe detergent, tumble dry low with clean tennis balls to restore loft.

What’s Included: Cloud 20 sleeping bag, stuff sack, mesh storage sack.

Why We Like It: The Cloud 20 delivers exceptional comfort, warmth and packability with a clever zipperless design. It’s one of the most comfortable and versatile lightweight down sleeping bags available for UK conditions.

Tip: Pair it with a high R-value sleeping mat and a breathable bivvy or tent for the best performance in damp British weather.