Grundens Deck Hand Long Sleeve Shirt. The Deck Hand Shirt is designed for serious anglers to perform at their best even when faced with extreme temperatures and sun exposure. Utilizing COOLCORE chemical-free cooling fabric that employs the body's own moisture to cool the garment as you sweat, the shirt actively keeps your body cool. The 4-way stretch fabric allows for unlimited range of motion. This shirt is designed to keep you on the water longer and improve your odds of that once-in-a-lifetime catch.