Multipack - Sold as a set of two Isotherm - Densely packed fibres to retain heat & warmth without adding weight or discomfort Lightweight - Low-bulk, comfortable materials provide all-day wearability while remaining easily packable for travelling and holidays Moisture Wicking - Actively wicks moisture away from your body and dries quickly 2 year warranty - Includes a 2-year warranty for guaranteed quality and peace of mind