These black Sweaty Betty Betty ski base layer leggings are crafted in sweat-wicking and quick-drying stretchy fabric and feature an elasticated ribbed waistband, ski scene print design in contrast colour block panels and a ribbed hem. We know that comparing ourselves to people on social media is as risky as using WebMD to diagnose ourselves but when we saw Mollie King in her Sweaty Betty leggings we couldn't help be influenced.