Insole: Bloom algea foam, Woolpower recycled wool
Lining: GORE-TEX® insulated comfort
Outersole: Icebug RB9 compound
Upper Part: Gold Rated (LWG) suede leather upper
Products with this symbol are 100% waterproof and are engineered with GORE-TEX Extended Comfort Footwear technology that carries the GUARANTEED TO KEEP YOU DRY promise. Water stays on the outside while perspiration can easily escape from the inside.