EXCLUSIVE AT NET-A-PORTER. Nili Lotan pinned photographs of Grace Kelly, Jane Birkin and Serge Gainsbourg on the slopes to her moodboard when designing the ultimate après-ski capsule collection, only available here. These 'Melodie' track pants have stirrup straps that keep the legs from bunching up and layer well with snow boots. They're made from soft cashmere and have a comfortable elasticated waistband and elongating front seams.