Grit sneakers are inspired by people driven by passion and perseverance, who pursue their dreams with unwavering determination. Can you feel the Grit? Upper made of premium suede and vegetable-tanned leather. Tongue panel in leather and recycled polyester. Lining is 100% breathable and hypoallergenic microfiber. Recycled rubber sole (up to 70%). Removable insole in recycled latex and covered with vegetable-tanned leather. Cotton laces and packaging in 100% recycled cardboard.