Timberland Waterproof Field Boots. Help get ready for the outdoors with the Men's Waterproof Field Boot that features Premium Timberland® leather upper and TimberDry™ waterproof lining. The ReBOTL™ material that contains at least 50% recycled PET plastic, a padded collar, and an anti-fatigue footbed all help you stay comfortable. The PrimaLoft® insulation helps you stay warm when you most need it. By purchasing this product, you are supporting Leather Working Group certified tanneries. Upper made with waterproof Premium Timberland® leather and mesh fabric. Padded collar. Fiberglass shank for arch support. Rubber lug outsole. D-ring lacing system. 200 grams of PrimaLoft® insulation. Anti-fatigue removable footbed. TimberDry™ waterproof membrane. Imported.