When registering for the Gdańsk Marathon, each competitor can choose an official Gdańsk Marathon 2025 T-shirt as an additional purchase. There are two versions of the T-shirt to choose from – technical and cotton. The technical T-shirt is made of 100% polyamide. T-shirt with short sleeves, round neckline and loose cut. Equipped with breathable inserts that support the evaporation of sweat, keeping the skin cool and dry. Ideal for outdoor sports and activities in the warm seasons. Tested UV protection.