The tech sweater achieves the perfect balance between performance, protection, and stylish comfort. Wool blend sweater for thermal retention and incredibly soft feel. 4-way stretch fabricv. Windproof paneling. Zip chest pocket. Half-zip construction. Shell - 40% Polyester, 20% Wool, 20% Acrylic, 20% Nylon. Trems - 89% Nylon, 11% Spandex.