About this item The Ultimate Earphone Upgrade: Sport Pro tips with a stay-in-ear grip designed to hold on and not let go until your workout is done; Integrated SweatGuard protects earphone by keeping sweat & debris out and maintains clear path for enhanced sound Enhanced Comfort: Super-soft memory foam reduces earphone irritation and fatigue while reducing outside noise; Comply foam is 30x softer than silicone tip material so you have the most comfortable earphones Advanced Sound & FIT: Body-heat activated memory foam adapts to ear canal to provide a perfect seal and snug fit to keep your earbuds in place while blocking external sound Size: 0.5 x 0.5 x 0.5 inches