Hack shirtThis fitted Longsleeve Thermo waffle shirt made of soft viscose provides extraordinary comfort while wearing it due to the stretch of the fabric. The top is designed to keep you moving when the temperature dips. It's cut from an insulating Thermo stretch jersey with a tight fit, and while meeting technical needs, this piece also looks fashionable. Attractive & Casual at the same time, this shirt is a keeper and an excellent base to build any look on.