The Asics GEL-NIMBUS 21 is a men’s running shoe that will help you to beat even the most difficult challenge. The GEL™ technology is combined with a FLYTEFOAM™ Propel and SpEVA 45 lasting to perfectly cushion your every step. The upper has a jacquard breathable grid for a fresh feel, while the I.G.S™ (Impact Guidance System) technology helps to runner to maintain a natural run. The AHARPLUS™ heel plug doubles the durability of the heel, while the reflective details make you visible in low light conditions.