Genuine Subaru Men's STI Gradient Polo Shirt - Size Large Brand New Genuine Subaru Men's STI Gradient Polo - Size Large Blaze the streets in your stylish and unique STI polo. Moisture-wicking, 100% post-consumer recycled polyester with gradient sublimated front panel. bluesign-approved for health, safety and environmental issues. STI logo embroidered on left chest. Black/Red.