Inspired by the best-selling X ULTRA Family, this hiking shoe is the go-to option for outdoor enthusiasts. The X ULTRA PIONEER AERO is packed with all the technology you need, yet versatile enough to adapt to your daily life.
Cushion: Regular
Outdoor terrain: Mixed trails
Shoe width: Standard
Secure foothold
The reinforced SensiFit™ construction holds your foot comfortably in place, especially on those tough downhills.
Stable & cushioned
Surrounded by foam cushioning for comfort, the Advanced Chassis™ connects directly to the sole to stabilize your heel.
Extra grip
We packed in two different types of rubber and a patterned heel area to grab the ground, giving you more control in the wet and mud.
Advanced Chassis™ is a molded insert embedded in the outsole. Providing strong lateral support and reassuring protection, it also delivers optimal mobility and flexibility.
SensiFit™
SensiFit™ cradles the foot from the midsole to the lacing system, providing a secure, snug, and virtually customized fit all around the foot.
Regular laces
Traditional lacing system with eyelets.
Chevron lugs
Lug design with deep penetration and multi-directional grip, improving traction on soft surfaces like mud or loose dirt.
Mud Contagrip®
Built for maximum grip on loose, soft, rugged, and uneven surfaces, Mud Contagrip® uses deep, sharp lugs made from a compound that focuses on adhesion.
EnergyCell
A high performance EVA foam that provides shock attenuation.
Anti-debris Mesh
Tight mesh that prevents debris from being trapped between your foot and the footbed.
Synthetic upper
Synthetic upper material provide great durability and protection for outdoor activities.
Textile lining
A soft, breathable lining for extreme comfort.
Molded OrthoLite® sockliner
Molded to match the contours of your foot, this OrthoLite® insole provides superior cushioning, breathability and durability, to upgrade the comfort and performance of your shoe.
