Merchandise › Synästhesie VII T-Shirt Image 1 of 1 Synästhesie VII T-Shirt €20.00 sold out Official Syn 7 T-Shirt, designed by Olya Dyer, on 100% organic cotton, fair wear certified. Size: Select Size S M L XL Sold Out Added! Official Syn 7 T-Shirt, designed by Olya Dyer, on 100% organic cotton, fair wear certified.