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 your daily life.
Minimum(No) Regular(Yes) Maximum(No)
Easy paths(No) Mixed trails(Yes) Technical(No)
Slim(No) Standard(Yes) Generous(No) Wide(No)
Benefits 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.
Features: Advanced Chassis™
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™ cradles the foot from the midsole to the lacing system, providing a secure, snug, and virtually customized fit all around the foot.
Traditional lacing system with eyelets.
Lug design with deep penetration and multi-directional grip, improving traction on soft surfaces like mud or loose dirt.
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.
A high performance EVA foam that provides shock attenuation.
Tight mesh that prevents debris from being trapped between your foot and the footbed.
Synthetic upper material provide great durability and protection for outdoor activities.
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.
Details: Inlay sole/Textile Lining/Textile Outsole/Rubber Upper/Leather / Textile Drop/11 in mm Heel stack height/19 mm Forefoot stack height/8 mm Weight/380 g Lacing system/Regular laces Waterproofness/None Inlay sole/Textile Lining/Textile Outsole/Rubber Upper/Leather / Textile Drop/11 in mm Heel stack height/19 mm Forefoot stack height/8 mm Weight/380 g