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.
The reinforced SensiFit™ construction holds your foot comfortably in place, especially on those tough downhills.
Surrounded by foam cushioning for comfort, the Advanced Chassis™ connects directly to the sole to stabilize your heel.
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.
1. Place a sheet of paper on the floor and against a wall.
2. Make sure you are wearing the same socks that you would normally wear with this type of shoe.
3. Wearing these socks, stand on the sheet of paper with your foot perpendicular to the wall and your heel against the wall.
4. Then use a pen to draw a line just in front of your big toe. Repeat for both feet and take the longer distance to determine your size.
5. Using a ruler, measure the distance between the wall and the line you drew to find your size.
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