Crispi 5oz Waterproofing Boot Spray - The Waterproofing spray for synthetic materials, Suede and brushed Nubuck Leather adds water-repellency and helps maintain breathablility to the leather. Best suited for Idaho, Wyoming, Thor, West River, Summit and Sniper/Oasi synthetic materials Will often cause the leather to darken upon application Excellent waterproofing capability Assists in Prolonging the effective lifespan and optimizes the performance of suede and Nubuck leather 5oz Style: 4299