Women's Clarks Sillian Sune Slip-on Shoes. When you put a half-inch of memory foam under your feet, good things happen. That's the story with Sillian Sune Slip-ons from Clarks, featuring a full 12mm (just about a half-inch) of memory foam that makes it feel like you're walking on air! The comfort is nothing short of incredible, and the look is perfect with summer dresses, shorts, skirts, you name it, really. Cloud nine: Linen upper stays cool and fresh in hot weather; 12mm of memory foam for seriously soft comfort; CushionSoft footbed with removable Ortholite insole; Super-flexible EVA outsole for added comfort; 1 1/2" heel height. Get into these Clarks Casuals today! Women's Clarks Sillian Sune Slip-on Shoes