TechTherm Max - Insulating fabric with enhanced thermal retention, regulating temperature for maximum warmth in cold conditions. Merino - Very warm high quality wool, naturally antibacterial properties to keep you fresher for longer Moisture Wicking - Actively wicks moisture away from your body and dries quickly Multipack - Sold as a set of two Lightweight - Low-bulk, comfortable materials provide all-day wearability while remaining easily packable for travelling and holidays