Uppers consist of breathable full-grain leather combined with durable oiled nubuck. GORE-TEX waterproof construction ensures dry and comfortable feet in wet weather conditions. Removable leather-covered inlay sole with ECFS for increased air circulation and optional extra width. Direct-injected two-component sole consisting of P.U midsole and T.PU outsole. Light, flexible, and very comfortable sole with outstanding grip. This Track 25 celebrates one of our greatest heritage successes: 25 years with the same silhouette, with an updated leather and colour range. The removable leather covered inlay sole with ECFS provides increased air flow and optional extra width. A robust platform using our specially-designed dual-component PU and TPU combination offers every-step stability. The internal unique ECCO Comfort Fibre System™ circulates cool air for all-day freshness. The GORE-TEX® waterproof lining keeps the worst of the weather out for drier feet. Soft, supple uppers crafted from premium full-grain leather and oiled nubuck wrap around the foot. Product Code: 831714.