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Your cart is empty.The Series exclusive Heatwave sock features a kinetic heat return system. The first dual stage heating system for head, hands and feet. The revolutionary heatwave process converts emitted kinetic energy into increased heat that reflects radiated heat back for more warmth.
hahagranny
Reviewed in the United States on March 2, 2025
I couldn't get them on and I do not have big or swollen feet
Customer
Reviewed in the United States on March 19, 2025
They don't stretch well to get on, and too tight at calf when you do, where circulation is a must. I don't dare get a bigger size because it's perfect at the foot, so no can do for me.
Paul
Reviewed in the United States on February 3, 2022
Was hoping this product would finally keep my feet warm skiing. After years of wearing toe warmers, I thought this would be the ticket. Sorely disappointed in the performance. Wore these for a bitter cold weekend as liners skiing in New England and had frozen toes by mid morning. Guess I go back to my toe warmers. 😒. Company refunded very quickly.😀
Susie Dwinell
Reviewed in the United States on February 24, 2022
These are much better than my electric socks that burn my feet!
Butterfly
Reviewed in the United States on January 13, 2022
This is something I really wanted to love. But I went to put on the first sock and it was worse than trying to get a compression sock on. They were stiff and tight, necessitating a real process to get it on.Next problem: With the foot bed molded, the sock was too long in the foot in spite of supposedly being the right size. There's no "give" in these so you're stuck with a bunch of extra material either at the toe or heel. Totally uncomfortable to wear and as a liner, impossible under any well fitting sox.When I finally managed to get one on, the height was perfectly knee high but the top of the sock was so tight around the bend of my knee that it was painful. Even rolling it down a bit didn't help. It simply HURT and in the minutes I had it on, it left a deep red mark. My calves are NOT big. I'm an average sized gal with a healthy BMI so that wasn't the issue. It just was so tight it felt like it was cutting off circulation.I returned these. I really truly wanted to love them. I have Raynauds and am always seeking a way to keep my feet warm. Unfortunately, these are not the answer.
Colorado Mom
Reviewed in the United States on January 26, 2021
i have skied for 50 years, and tried every sock liner out there. These are the first ones that actually kept my feet warm! Better than wool, silk, polypro.... anything I've seen available anywhere.Our adult daughter has a medical condition which makes it both difficult and important that she keep her extremities warm. These sock liners are the only things that keep her on the slopes all day. Everything else she tried failed her after an hour or 2 of cold. Wearing Seirus Innovation Heatwave sock liners, she was able to ski all day in near-zero degree weather for the first time in 20 years! I also gave them to our daughter in law, who tends to get cold quickly, and her feet also stayed warm at near-zero degree temps all day even though she was moving pretty slowly as a first-time skier. So 3 out of 3 members of our family tried them and loved them. I recommend the glove liners from the same company as well - same story with those. These make snow sports comfortable and fun when temperatures drop.
allthumbs
Reviewed in the United States on January 21, 2017
yes, they are expensive for socks. Yes, they are a little delicate. You can't put them on in a rush or you will rip the seams. BUT they work. I needed super thin yet warm socks in order to fit into my bargain bin ski boots that I got at a going out of business sale. The boots could've been larger but they were sooooo cheap and the last pair so I just had to get them. Regular ski socks were impossible with these boots but with thin socks the fit fine. So I splurged and bought these and a pair of very thin thermasilk socks. It does the trick. My piggies have never been cold yet. Even these with the thermasilk socks are way thinner than the typical wool ski socks ( or the two pairs of regular socks I used to wear). Anyway...be nice to them and they will be nice to you. I am a womens size 8.5 shoe, I ordered a medium and they fit perfect.
Joseph Saunders
Reviewed in the United States on May 11, 2015
Met my expectations. Will probably order additional pair for next winter!
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