SwiftwickASPIRE TWO Running & Cycling Socks, Lightweight, Compression Fit

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Just finished a half ironman in 90 degree weather in these, and they were fantastic. Usually I'll change socks between the bike and run, but these felt great and I wore them for both parts. No blisters, no weird seams to rub. They stayed up and didn't bunch inside the shoes. The compression is helpful for foot fatigue and swelling as well. Honestly, I didn't even think about my socks the whole time, which is great. Yes, they're expensive. I could get a 6 pack of cheap socks for less than one pair of these. But to me it's well worth it to not get blisters and for my feet to be cool and dry on long runs and rides.

They seem ok .but the sizeing is very tight. I got the large but they feel pretty tight . I have a size 10 fit .

I ordered seven pairs of these. I love these socks...with reservations.1) Immediately, first wash, they pill. A lot. And nearly two years later, they’re still pilling. To me that doesn’t really effect performance, just cosmetic.But, #2) literally every sock has had the same failure point: the left side ankle junction (picture). But the failure has been slow and only after heavy use.With these two things said, the hole that has formed, though literally on every sock, is small and slow-growing. They’ve lasted nearly two years with very frequent, hard use for cycling, gym, and casual use - so it’s not an outside factor like shoes causing the socks to fail at the same spot - it’s a design/manufacturing issue. But, then again, these socks have gone strong for nearly two years so failures are expected. And, despite the pilling and holes, the compression still feels good, even after rigorous use.

Good stays up. Expensive.