Ridgeline Infinity LeggingsLeggings. Built tough. When Ridgeline set out to design a pair of Ridgeline leggings, they knew they had to be tough. And not just workout tough, actual work tough. The hugely popular Infinity Leggings certainly fit the bill and do the job. Theyre made from a blend of hardwearing Nylon and stretchy Elastane for an unbeatable combination of durability, freedom of movement and comfort. The mid weight 210gsm fabric makes them a great base layer in winter