woollen

I pulled on thick woollen socks before going outside. ▶

出门前，我穿上了厚厚的羊毛袜。

Although woollen clothing provides excellent insulation, its environmental impact depends partly on farming practices and manufacturing methods.

虽然羊毛衣物保暖性能优良，但其环境影响部分取决于养殖方式和制造方法。