The Keen Jasper Sneaker pairs calf-leather construction with trail-ready performance for comfortable all-day wear, from city commuting to light hikes. Key attributes: Black | Nero | Calf leather | Trail-ready traction | Odor-control treatment | Durable rubber outsole | Removable cushioned insole with arch support | Tongue-to-toe lacing | Lace-up closure | Low-top sneaker silhouette | Climbing-inspired details | Dimensions & fit: True to size | Contoured fit | Composition & care: 100% calf leather | Textile lining | Rubber sole | Wipe clean with a damp cloth; apply leather conditioner as needed; do not machine wash.