SAVE THE SHEEP, the new line in Techno Soft Sheepskin™! The lining is synthetic fleece made without any animal derivatives.The Techno Soft Sheepskin™ offers numerous advantages: • Can be washed easily and dries quickly • Trapped sand comes out easily out of the loose, soft wide knit • Is more comfortable and a cozier fit than natural lambskin • Will not mat or get stiff The STS Safety Bell Boots feature highly durable tear resistant Bi-TECH™ Synthetic Shell which is waterproof with easy to clean Techno Soft Sheepskin™ cuff and neoprene lining.• Outer Shell: Bi-TECH™ Syntheric • Cuff Lining: Techno Soft Sheepskin™ • Core: Lycra® Lined Neoprene • Closure: Double Velcro™ Made in Italy.