ASICS approach for the GT-1000 15 shoe was to modernize it with a new engineered mesh upper that wraps your foot with a comfortable feel while providing good breathability. The midsole features FF BLAST cushioning in the midsole. It’s designed to help create cloud-like cushioning and a more energetic response. This design also features a 3D GUIDANCE SYSTEM for a stable, balanced, and confident stride. Rearfoot PureGEL technology: Softer, updated version of the GEL technology that maintains the acclaimed properties that have made GEL technology famous. Approximately 65% softer vs standard GEL technology. Polyester lining and insole. Lace-up closure. Padded tongue and collar. Low-top style. Round toe design. AHARPLUS rubber outsole.