The Evolv Defy climbing shoes feature an anatomical fit that is ideal for beginners and advanced climbers, along with excellent looks, making them a no-brainer for a first-time or repeat buyer. Synthratek VX upper and Agion antimicrobial lining ensure long-lasting comfort and odour protection. The split tongue and double hook-and-loop closure system provide easy access and a secure fit.Features:- Synthratek VX synthetic upper- Provides maximum comfort and is easy to put on and take off- Wider and higher volume shape- Full-length midsole and outsole for maximum support and comfort- Opposing locking straps for maximum tension- Variable Thickness Rand System (VTR) places thinner rand rubber in areas to reduce pressure points and hot spots around the foot, as well as thicker rubber to increase longevity in high wear areas near the toe for added durability and performance- Improved friction for maximum durabilitySpecifications:- Lining: Nylon Mesh- Midsole: MX-P: 1.4 mm- Sole: 4.