adidas Essential Shorts in Blue. Loungewear essentials from the brand with the three stripes. Crafted from a soft and durable blend of cotton and recycled polyester, these sweatshorts are lined with fleecing to ensure a warming feel. They arrive with an elasticated waistline and adjustable drawcords. A trio of pockets make for everyday storage and the brand's logo is embroidered into the left leg as a finishing touch.