High Peak PATROL is a light sleeping bag with Dura Loft Filling, which is a mixture of hollow fibres that are used as a filling and insulation. It has excellent thermo isolation properties, it ensures a high level of thermal insulation even in high humidity conditions. The filling dries quickly and it is easy to maintain, suitable for people with allergies. This blanket bag is perfect for summer hikes. PFC free - perfluorinated compounds that scientists declared bad for health. This sleeping bag has a waterproof BIONIC-FINNISH® ECO surface treatment.