The Saucony® Kilkenny Xc 10 Spike is the core XC shoe now enhanced with more cushion & an anatomical fit while maintaining our signature lightweight performance. Crafted with a rugged and breathable upper mesh, perfect for XC terrain. A new blend of PWRRUN foam is lighter, softer, and there's 7mm more of it underfoot for a comfortable performance-ready feel. Updated geometry with a wider base and straighter medial edge provides a more versatile platform.