The FF Blast Plus foam midsole together with a higher sole construction - with reduced weight at the same time - ensures a balanced running experience and makes your training even smoother and more comfortable. A reinforced tongue construction along the arch of the foot provides additional support and comfort. The 4D Guidance System supports adaptive stability - for a balanced, stable running experience, especially over longer distances. Details: Engineered mesh upper: A lightweight, breathable mesh material that eliminates the need for additional reinforcements. Knitted heel tab: This comfortable heel tab makes the shoe easier to put on and take off and increases comfort. 4D Guidance System: A dynamic support unit that reacts intuitively under heavy loads. This reaction ensures stability and comfort throughout the entire run. Rearfoot PureGEL technology: A softer, more advanced version of GEL technology - around 65% softer compared to standard GEL technology. FF BLAST Plus Cushioning: Midsole foam that combines cloud-soft cushioning with a reactive ride that is lighter than the original FF BLAST technology. OrthoLite X-55 sockliner: High-quality sockliner that provides excellent cushioning and effective moisture management - for a cooler, drier shoe climate. Reflective details designed to improve visibility in low light conditions. HYBRID ASICSGRIP outsole: Combination of ASICSGRIP rubber and AHARPlus materials for optimum grip on a wide variety of surfaces and exceptional durability. Colour code: Cobalt Burst/Pure Silver. Style no.: 1012B838.405.