The Mountain Equipment POWERSTRETCH LID LINER is the perfect companion under your helmet. The thin Polartec® Power Stretch® fleece fits snugly around your head and provides effective thermal insulation, ensuring you are optimally protected in cold conditions. For additional protection against cold winds, special schoeller®-dryskin extreme inserts are integrated into the ears. Flat seams prevent uncomfortable rubbing and guarantee high wearing comfort even on long tours. Weighing only 30 g, the liner is particularly lightweight and is made from a robust blend of polyester, polyamide, and elastane, combining freedom of movement and durability. So you stay warm, dry, and comfortable – without compromise.