J Lindeberg Alpha Sweat Pants The J Lindeberg Alpha sweat pants are a classic track suit style and and look like they have always been part of the J Lindeberg colection. Constructed from 100% cotton, it is the ideal garment to wear in casual situations and look superb when worn alongside the new Alpha Tee-Shirt FEATURES AT A GLANCE Rib at leg opening  Shiny embroidery Pockets at front Drawstring cord at waist Alpha cotton fleece Heavy brushed inside for warmth Soft and comfortable cotton feel Fabric is Oekotex certified