The 1080 delivers top-of-the-line performance to every kind of runner, whether you’re training for world-class competition, or catching a rush hour train. The Fresh Foam X 1080v13 represents a consistent progression of the model’s signature qualities. The smooth transitions of the pinnacle underfoot cushioning experience are fine-tuned with updated midsole mapping, which applies more foam to wider areas of the midsole and increases flexibility at the narrower points. The ultra-modern outlook is also reflected in the 1080’s upper construction. The v13 offers a breathable yet supportive fit with an engineered mesh upper, for a more streamlined overall design. Features Fresh Foam X midsole foam with approximately 3% bio-based content delivers our most cushioned Fresh Foam experience for incredible comfort. Bio-based content is made from renewable resources to help reduce our carbon footprint. Ndurance rubber outsole is built for increased durability in high wear areas Reflective accents Size & Fit 6 mm drop; due to variances created during the development and manufacturing processes, all references to 6 mm drop are approximate 262 grams (9.2 oz)