Redefining pierre alainrsquos pa half bag vision for the modern ultra minimalist runner a complete sleeping system that interlocks the new mountain raid jacket with a primaloftreg gold half bag to provide a versatile 235g alternative to a full bag and insulating layer the mountain raid jacket is worn when sitting around the camp and half bag is connected to form a complete sleeping system pair with mountain raid hood jacket the shell is made from pointzero it has a dwr treatment to the