Ride 18 4 spike Vibram® rubber outsole is slip-resistant

Vibram® rubber outsole is slip-resistant for outdoor use on snow and dry surfaces

Everything you love about the Shak with additional coverage for any outing

and the smooth lining is 100% recycled polyester taffeta certified by OceanCycle and sourced from coastal communities at risk of plastic pollution

you'll want to live in the Penfield shoes

Ride 18 4 spike Vibram® rubber outsole is slip-resistantDiscover the ultimate in comfort and versatility with the new Ride 18. This do it all shoe is lighter, softer, and more responsive than ever before, making it your perfect partner for every run. Features & Benefits BETTER FOAM: Experience the reformulated PWRRUN+ foam, now lighter, softer, and more responsive. Enjoy even more energy return with every step, thanks to increased foam content and reduced shoe weight UPGRADED DURABILITY & TRACTION: