SAS JV MeshAdjustable hook and loop straps lend a custom fit to the stylish and functional J V Mesh. SAS Comfort Outsole, SteadyTrac Midsole, and Arcfit heel stabilizer work together to provide you maximum firm but gentle support. Tripad comfort system adds additional support to the three main pressure points of the foot, while SAS CoolSTEP foot bed and a leather and mesh upper make for a light design with no heat build up underfoot.