Servus Northerner PVC 15in Non-safety Toe Boots - Mens Gray 3. Injection molded construction allows for a seamless dual PVC outsole the perimeter is formulated for abrasion and long wear while the center sole is softer to allow more surface-to-surface contact to control traction on slick surfaces. Specifications for Servus Northerner PVC 15in Non-safety Toe Boots - Mens: Manufacturer: Servus Gender: Male Age Group: Adults Footwear Type: Boots Activity: Outdoor Package Contents: Servus Northerner PVC 15in Non-safety Toe Boots - Mens Servus 75122-GYM-030: Northerner PVC 15in Non-safety Toe Boots - Mens Gray