Low weight but high performance, the GLS running shoes will meet your every running need. This pair of shoes features: Mesh upper is very breathable and lightweight. Synthetic overlays provide support where you need it most. Reinforced toe cap greatly extends the durability of the shoe. Lace closure for a personalized fit and centralized support. Padded collar, tongue and insole for comfort. Breathable, antimicrobial lining keeps the feet fresh and dry. Dual-density midsole that is positioned for optimal support and stability. Rubber outsole offers great traction and durability.