Silkspun: Short Sleeve Crew Neck T-Shirt-Navy-XXL 72% silk, 13% merino, 15% cotton Our unique blend silk, merino, cotton makes this a comfortable and practical t-shirt Silk helps regulate temperature and is odor resistant Lightweight and quick drying so is a great option for travel A wardrobe basic that will last for many years. Designed in New Zealand for everyday use.