The Openland Modular Inner Sleeping Bag is designed to provide an extra layer of thermal insulation and comfort during outdoor adventures. Its polyester fiber filling ensures warmth and effective protection against cold even in the harshest conditions.

It can be used alone, suitable for extreme temperatures down to -8°C, or combined with the external sleeping bag OPT-SP_ES to extend protection down to -25°C. This modularity allows easy adaptation to different climatic conditions, maximizing thermal comfort and versatility in any environment.

Key Features:

• Polyester fiber filling for effective thermal insulation and breathability

• Temperature ratings:

  • Single use: extreme -8°C, comfort limit 6°C, optimal comfort 10°C

  • Combined with OPT-SP_ES: extreme -25°C, comfort limit -7°C, optimal comfort -1°C

• Dimensions: 218 x 83 x 55 cm for a comfortable fit

• Compact compression bag: Ø15 x 30 cm, easy to transport

• 100% synthetic material for durability and consistent insulation

• Lightweight: 1280 g, perfect balance of warmth and portability

Ideal for hiking, trekking, camping, and outdoor activities where versatility and thermal performance are essential.