Isotherm - Densely packed fibres to retain heat & warmth without adding weight or discomfort Quick Dry - Super absorbent fibres mean the moisture is spread across the fabric, allowing to dry quickly 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 TechTherm Light — Lightweight brushed fabric that regulates temperature without adding bulk, ideal for high-output activity and layering