Mountain Equipment Klimatic III Synthetic Sleeping Bag

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The Mountain Equipment Klimatic III is an eco-friendly sleeping bag for backpackers and trekkers in cooler climates. It features 90% recycled insulation and 100% recycled fabrics.

Mountain Equipment says: 

A warm and efficient bag using 90% recycled POLARLOFT® insulation and 100% recycled fabrics. Perfect for cooler conditions and trekking at higher altitudes.

Our Verdict

The Mountain Equipment Klimatic III Synthetic Sleeping Bag is a robust option for backpackers and trekkers venturing into cooler climates and higher altitudes. This eco-conscious bag combines warmth, durability, and environmental responsibility.

Temperature-wise, the Klimatic III is impressive. With a comfort rating of 1°C and a comfort limit of -5°C, it’s well-suited for three-season use in many environments. 

The bag’s standout feature is its sustainability. It utilizes 90% recycled POLARLOFT® insulation and 100% recycled fabrics for both shell and lining, making it an excellent choice for environmentally-minded outdoor enthusiasts.

Weighing 1251g for the regular size, it’s not ultralight but offers an excellent warmth-to-weight ratio for a synthetic bag. The wave layer construction, Alpine fit, and anatomically shaped hood and foot-box maximise thermal efficiency.

While bulkier than down alternatives with a packed size of 37cm x 24cm x 21cm, the Klimatic III provides reliable insulation even in damp conditions – a key advantage of synthetic fill. It’s an ideal choice for backpackers prioritizing versatility and sustainability in cool to cold conditions.

– Reviewed by Ultralight Outdoor Gear

Features

• Wave layer construction throughout
• Alpine fit maximises thermal efficiency
• Anatomically shaped hood and foot-box
• Full length zip baffle and integrated collar
• Supplied with lightweight compression sack

Specifications

Regular

• Weight: 1251g
• Std Pack Size: 37cm x 24cm x 21cm
• Comfort: 1°C/34°F
• Comfort Limit: -5°C/23°F
• Extreme:-22°C/-8°F

Long

• Weight: 1344g
• Std Pack Size: 37cm x 24cm x 21cm
• Comfort: 1°C/34°F
• Comfort Limit: -5°C/23°F
• Extreme:-22°C/-8°F

Material & Construction

• 100% recycled 20D shell and lining fabric is durable and comfortable
• 90% recycled POLARLOFT® synthetic insulation

Help & advice:

• The Ultimate Guide to Choosing an Ultralight Sleeping Mat
• Time-Saver Guide to Choosing a Sleeping Bag
• R-Value Explained