About the product:Upper made of soft waxed nubuck with suede detailsVegetable-tanned lining that offers many benefits, including breathability, durability, and the ability to age beutifullyEasy to adjust with two velcro straps over the footWide toe box and flat footbed for a natural feelStrobel construction for increased flexibility and extra comfortShock-absorbing and removable insole with vegetable tanned leather closest to footTPR outsole with flexibility and great gripFree from PFAS