Wear the power: Horizontal lines stacked up like winter swells marching onto the point at Makaha. The Heat Sheet is a clean competition stripe on our new sweatshirt style, with a garment wash for softness and comfort. åÊThis sweatshirt has flat lock stitching details and a bound collar. åÊIt has longer sleeves and bottom hem rib cuffs. åÊThe fabric is an amazing loose knit heavy weight french terry that is so soft and warm.