Great support! Information from Merrell! Thanks to a low-to-the-ground profile, the women's Merrell Trail Glove 4 trail-running shoes mimic the feeling of running barefoot while still providing an element of protection on light trails. Features: Ultralight, mesh uppers breathe exceptionally well, with thermoplastic urethane overlays for added stability Slim, 11.5mm stack height throughout the shoes (zero drop from heel to toe) provides generous ground feel Lightweight, protective pads underfoot guard against stone bruising Vibram® TC5+ rubber outsoles deliver confident grip