The Apex is a high-performance all-terrain collection, built on an innovative platform for high endurance outdoor pursuits requiring a more athletic and agile boot. Standard Fit Waterproof Sole Has No Anti-Static Properties Sole Not Liquid-Resistant 100% Waterproof 4mm Neoprene Bootie for Comfort and Performance Lace-up Construction for a Tailored Fit Durable Metal Hardware with Speed Hooks for Rapid Lacing Breathable Air Mesh Lining Enables Air Circulation to Improve Comfort and Reduce Heat and Moisture Dual Density Footbed with Memory Foam for Long Lasting Comfort Standard Fit Waterproof Sole Has No Anti-Static Properties Sole Not Liquid-Resistant 100% Waterproof 4mm Neoprene Bootie for Comfort and Performance Lace-up Construction for a Tailored Fit Durable Metal Hardware with Speed Hooks for Rapid Lacing Breathable Air Mesh Lining Enables Air Circulation to Improve Comfort and Reduce Heat and Moisture Dual Density Footbed with Memory Foam for Long Lasting Comfort