Based on this product's specifications, here are some alternatives and similar models
MFH Mil-Tec US Army Modular Sleeping Bag
Summary description:
The MFH Mil-Tec US Army modular sleeping bag is a versatile outdoor gear solution designed for varying temperature conditions. This multi-layer system allows for configuration adjustments to ensure optimal thermal comfort during camping, hiking, or tactical missions. Constructed with durable materials, it provides reliable insulation and protection in the field, making it an essential piece of equipment for outdoor enthusiasts and professionals.