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. 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 facilitates air circulation to improve comfort, and reduce heat and moisture. Dual-density footbed with memory foam for long lasting comfort. bioDEWIX anti-microbial footbed topcover with NZYM for odour-control and moisture management. Lightweight EVA midsole for all day comfort and support. Lugged rubber outsole for durable all-terrain traction.