Tog24 zephyr mens tcz tech zip neck a superb mens active focused zip neck the zephyr is constructed in breathable fast wicking and quick drying tcz tech fabric for performance and comfort technical features include a long length neck with chin guard ergonomic seams for increased freedom of movement and sleeve thumb holes a great choice for a wide range of activities from walking and hiking to running and the gym tcz fabric performance and comfort quick drying fast wicking and brea