Trail-Running Shoes Buying Guide

With their cushioned feel and grippy outsoles, the women's On Cloudultra 2 trail-running shoes are ready for everything from long runs in the mountains to quick jogs on your neighborhood trails.
Imported.
View all On Women's Trail-Running Shoes| Best Use | Trail Running | 
|---|---|
| Trail-Running Shoe Type | Rugged-Trail | 
| Running Shoe Cushioning | Moderate Cushion | 
| Heel-to-Toe Drop (mm) | 6 | 
| Footwear Height | Ankle | 
| Footwear Closure | Lace-up | 
| Upper | Recycled polyester double-layer mesh | 
| Lining | Recycled polyester engineered knit | 
| Midsole | Helion superfoam | 
| Outsole | Missiongrip rubber | 
| Rock Plate | No | 
| Weight (Pair) | 1 lb. 2.7 oz. | 
| Gender | Women's | 
| Sustainability | Contains recycled materials | 
| 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| U.S. Women's | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 
| UK | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 
| EU | 36 | 36.5 | 37 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 
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Purchased these to run a half marathon at Griffith Park in LA. I bought them the week of the race because I only did road running for training. I was nervous because there was zero break-in for the race. The shoes were great. I went with On for trail shoes because I have 2 other pairs of road shoes in my rotation and they are my favorite. I had zero blisters or foot pain post-race. I do wish there was a little more cushion, but the tread is great and provided traction on the steep trails.
I love on cloud shoes, I use them at work and for running. I tried these on in the REI store and loved them. However, the tread is too short. Hopefully they will create longer tread in the future.
I have had two pair of the original version of the Cloudultra, which I used for trail running distances between 3-15 miles at a time. I mostly run on gravel roads and single-track trails, and find the Cloudultra to offer good support, cushion, and traction. I am sure I'm among the minority in disliking the extra room they added to the toe box in this version. I have narrow, low-volume feet and this shoe fits me better than other trail runners. However, with the extra room in the Couldultra 2, the fabric bunches a bit when I pull the laces tight at the front of the shoe. Still, this is the best I've found in terms of a solid trail runner that can handle the miles and terrain for narrow, low-volume feet. Shockingly, the nearly white fabric isn't showing the signs of dirt that I felt sure would happen either--the mesh material seems to repel that, which is a nice surprise.
These are by far probably one of my most favorite ons. I have a few pairs but these are supper soft all around. I like that the colors are a neutral gray with a very light blue undertone. They are so light that I forget that I have them on. Love them
The product was very bad, the size although it said number 9, I could not use it, the shoe is too small. I compared it with another product of the same brand and the size is wrong. I am in another country so it does not justify returning the product for the costs. I am very dissatisfied with the purchase.
The toe box of the cloudultras varies way too much between colors, meaning a prior years color that was built for narrow feet will not necessarily work in another years colors. I thought these were designed for narrow feet, but found myself painfully mistaken.