G4 Guide Boot Schoeller-dynatec high performance abrasion-resistant mesh panels with Nanosphere finish Molded toe and heel counters eliminate toe box collapse and provide a better fitting boot Minimum exposed stitching for increased durability and less opportunity for "hitchhikers" Fully neoprene lined with closed-cell foam for minimal water absorption Features CleanStream technology along with our new StreamTread traction sole with Vibram Idrogrip 360 traction lug sole