Patented Diamond bead technology creates a low-profile platform that's comfortable underfoot and won't inhibit your natural stride Multifaceted design creates dozens of micro contact points with the ground, providing traction across both icy and snowy terrain Yaktrax Diamond bead technology paired with chain link connections creates a foldable, portable, and convenient traction solution Nylon toe straps slip easily over the front of your footwear, adding extra security Natural rubber heel straps slide easily around most footwear and stay flexible in freezing conditions Compact design folds into the included carrying case for easy storage in a coat pocket, backpack, or glove box To ensure a proper fit, manufacturer recommends sizing up 1 shoe size for use with boots or 2 shoe sizes for use with winter boots Yaktrax Diamond Go Traction Device