A kid's-specific last and a sockliner size checker help to accommodate growing feet. Additionally, the medial forefoot wrap-up outsole and toe rubber stitch are designed to improve durability. GEL® technology provides comfortable cushioning.
X Ultra4 GTX hasa lower density Advanced Chassis™ for greater stability. In the women’s X-ULTRA 4, this is backed up by GORE-TEX protection and a grippy outsole that powers through uphills and descents, so you can explore your freedom.
This Biglia fastens with a practical riptape closure and rests on a breathable flexy outsole, providing both support and a blissful sensation of well-being. .