Lunya Cozy Cotton Silk Ribbed Legging in Mellow Gray Heather. Worn but in good condition. Nonsmoking household. No pets. No blanket, no problem. Our full-length Cozy Cotton Silk Ribbed Leggings feel like a warm hug. They’re designed with a unique rib construction that helps provide excellent shape retention. Plus, their wide waistband will keep you feeling comfortable all night (and day) long.