Experience a new level of comfort and wellness with the Conybio FIR Collar T-Shirt, available in M, L, and XL sizes. Crafted with bioceramic-infused fabrics, this T-shirt is designed to provide a unique wellness sensation to the covered areas of your body. Enjoy the versatility of different collar and long sleeve variations, allowing you to tailor your style and comfort. The bioceramic technology woven into the fabric enhances the overall wellness feeling. Stay hydrated for optimal results.