Wear This Classic Alpargata In The Light And It Will Glow At Night. Featuring A Festive Glow-In-The-Dark Tree Light Print, Simply Expose To Light For 30 Minutes To Experience Glow-In-The-Dark Power. Glow-In-The-Dark Print On CanvasExpose Shoe To Natural Light Or Artificial Light For Glow In The Dark PowerMolded Footbed For Increased Cushioning, Rubber Outsole Provides A No-Slip GripRemovable Sock Liner That Fights BacteriaToms Exclusives Are Only Available Online And In Select Toms Retail Stores, Limited Quantities So Buy While It's Available!