Functional Shirt 1/2 for the cold season - winter warm fabric. High degree of thermal insulation. Ultra-light high tech fibres. Optimum moisture transport ensured by doube-layer fabric. Excellent odour control. Skin friendly. Chafe-free seams. Functional cuts - extra long back. Comfort Grade 1 awarded by the Hohenstein Institute. Ecotex Standard 100.Double-layer fabric:Outside: 30% Polyamide Nexten®, 20% Cotton, 15% MicromodalInside: 35% Polypropylene