5 season means you can use in cold weather but!!!!as a part of sleeping system with combination with selfinflating or air mat.
@erikviking8176 жыл бұрын
Mammut or Fjallraven foam mat is 1.4mm thick(r value 2.8)Thermarest ridgerest solar(warmest you can buy) is 2cm thick(r value 3.5).You need pad with r value 4.9 when temperature is minus 18 celzius!!!!!!!Your Nato "5season"pad is 2 R value max!!!!!