These fit good in size 10 Keen sandals. Not tight or constricting at all. I tried my friends 2mm version of these socks and they too fit good in size 10 Keens but were a slight bit snugger but not tight. These fit light a light weight sport sock while the 2mm version fit more like a heavy weight sport sock. I would not got more than 2mm though if worn in Keen Sandals. I plan to test these in cold rivers that flow into Lake Superior in October when the temperatures are in the 30s F at night and 40s in the day. I will be river hiking so will be in and out of the water for hours. I will update on their warmth later. Walking across my cold basement tile floor I felt very little heat transfer when normally my feet are cold and uncomfortable.
If you are deciding between the 1.5 mm and 2 mm thickness because you need warmth but are afraid the 2mm will be too tight, go with the 2mm. The difference is negligible at least with the Keen sandals I tried them in. The qualify seems good with good stitching. I expect these will last for a while. My only complaint is the seam on the inner sole seems to rub and irritate just a bit. I turned them inside out which helped slightly. I took a star off for this.
Update 10/20/14
I used these for the first time for their intended purpose and I was happy with them. I bought these to river hike near the North Shore of Lake Superior in the fall since the water is freezing by then. Daytime temps were in the mid 40s and the water was stinging cold. These socks under Keen Sandals postponed the stinging by about 10 seconds with the feet submerged. However, they allow your feet to heat back up after getting out of the water which you can't do with bare skin in cold air. For this reason alone they were well worth the money spent on them. I wish I would have went with the 2mm though. These will not work for keeping the feet warm under water for long. It became painful after about 20 seconds. I also added another start from 4 to 5 since the seam irritation is unnoticeable after you start hiking with them on. You don't even pay attention anymore. As an added bonus these keep the rocks out of your Keen sandals.
Reviews with images
The socks were easy to put on and remove for wetsuit material
I tested these out at home in colder water than necessary. I cooled water down to 37 degrees in a bucket and worked on the computer with my socked foot in it. After the hour the water had “warmed” to 42 degrees. When I initially put my foot in the water I could only slightly feel the cold. I move my foot around to try to simulate the amount of movement when I paddle board. My feet were cold, obviously, but nowhere near what they would have been if barefoot. The socks were easy to put on and remove for wetsuit material. And only enough water to wet my feet seeped in during the allotted time. I’m very pleased with these so far in a static test. We will see how they hold up when I’m paddling on Lake Tahoe. The socks come on and off easily. They have little traction bumps which will help on the board and the lack of a rigid base will allow me to wiggle my toes while paddling to keep my feet from going numb.
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MacGruber
Good value, if you need big neoprene socks, these are the ones
Reviewed in Canada on January 1, 2021Size: XX-LargeStyle: 5mmVerified Purchase
Cliente de Amazon
No muy buena calidad
Reviewed in Mexico on January 30, 2020Size: MediumStyle: 5mmVerified Purchase
