Ultralight Sleeping Bag Fjord Nansen FINMARK MICROfill 4°C / 850g

Ultralight Sleeping Bag Fjord Nansen FINMARK MICROfill Super-Therm Lightweight Mummy

Ultralight sleeping bag Fjord Nansen FINMARK is a compact three-season mummy-shape sleeping bag designed for hiking, trekking, camping and outdoor travel where minimal pack size and low weight are critical. The model weighs only 850 g without cover and compresses significantly using the included compression sack, making it suitable for backpacking and bikepacking gear lists. MICROfill Super-Therm insulation provides thermal performance down to T lim 4°C while maintaining softness, resilience and very low overall weight. The ergonomic mummy construction eliminates unnecessary heating space and improves heat retention efficiency. Tested temperature ranges follow EN 13537 methodology, offering predictable performance for outdoor equipment selection.

MICROfill Super-Therm insulation is a microfiber synthetic filling engineered to trap warm air while remaining lightweight and compressible. This structure improves thermal stability after repeated packing and washing, reducing heat loss during multi-day trips.

Features

• ➤ Lightweight build: 850 g weight without cover suitable for backpacking and ultralight outdoor equipment.
• ➤ Thermal insulation: MICROfill Super-Therm synthetic filling maintains warmth at low temperatures.
• ➤ Ergonomic design: mummy shape reduces empty air space and increases heat efficiency.
• ➤ Technical comfort: adjustable contoured hood prevents heat loss and can be operated with one hand.
• ➤ Dimensions: total length 198 cm, maximum user height 178 cm, width 80–30 cm.
• ➤ Anti-bite zipper: ANTI-BITE system prevents fabric from jamming in the zipper.
• ➤ Night visibility: fluorescent zipper pull improves usability in darkness.

This sleeping bag is suitable for spring and summer trekking in the Slovak Tatras, cycling trips across Scandinavia and autumn camping in Central European forests. The compact compression size supports multi-day hikes where every gram matters. Breathable inner fabric helps maintain a stable microclimate during varying night temperatures. The integrated inner pocket allows secure storage of small valuables during outdoor overnight stays.

Technical Specifications

Materials and Design

• MICROfill Super-Therm microfiber insulation with high resilience and low weight.
• Breathable inner fabric maintaining stable microclimate during sleep.
• Adjustable anatomical hood for head heat retention.
• ANTI-BITE zipper protection system preventing fabric jamming.
• Inner valuables pocket 20 × 20 cm with owner data card.
• Compression sack with snap buckle included in the set.

About Fjord Nansen

Fjord Nansen is a European outdoor equipment brand specializing in tents, sleeping bags and trekking accessories. The company focuses on practical expedition gear designed for mountain tourism and long-distance travel. The brand is known for functional construction solutions and field-tested durability in outdoor conditions.