definitely

For a triathlete going to wear them in all 3, a good place to start is the nopinz sleeves

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Yes. Generally the vertically ribbed socks/sleeves are more aerodynamic than plain fabric. The UK tt guys go nuts over them. http://nopinz.uk/...pinz-squeeze-guards/

I took sleeves to the tunnel and the Nopinz were slower than tight sleeveless lyrca. I supposed it is very calf dependent, but also, with a wetsuit you have no idea if the things are going to stay straight. Needless to say I have a pair of TripSocks for sale now. XS in these 2XU MCS Compression Sleeves tested the fastest for me.

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The 2XU still have vertical seams. Did you orient the seams strategically?

They do yes, I tried to line them up appropriately because that is how they are designed, but I didn't go nuts thinking about it if that makes any sense.

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Having tested compression socks/calf sleeves on numerous athletes it's a flip of the coin if it's going to be faster or slower.

The question becomes which side of the coin are you on?

The next question I have, or maybe it should be the first is how did you determine "tend to perform better"?

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Brian Stover USAT LII
Accelerate3 Coaching
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Brian

Are they ever slower than skin ?

I have the nopinz

Cheers

That's a good question, and one I don't know if I can actually answer. The n=1 answer is that I've had my bests runs, both off the bike and in stand-alone running races, while wearing compression sleeves and that on training runs I'll have a lower RPE / pace when wearing them vs not. All 5 of my races this year I've felt that I've performed my absolute best on the run while running in compression sleeves. For want of a better explanation, I feel that I fatigue less quickly while wearing them.

Now how I disassociate that from also having a breakthrough year due to other factors (diet change, training methodology change, injury free season, run focused spring, shoe change) is another question entirely and one that I can't answer.

Nopinz are claiming 10 watts saved for the Tripsockz and 2.5 watts saved for the Squeeze guards. They're also claiming that 5w = 8 secs over 10 miles.

So for an Ironman taking it at face value, this would mean:
-135 seconds for Tripsockz
-45 seconds for Squeeze guards (compression too)

If we take these with a grain of salt, and assume half the benefit so that these are ~1 min and ~25 seconds gain respectively for an IM, give or take.

I'm looking to add compression for the run. Are the Tripsockz compressive enough for an IM run? (or should I plan on a fresh pair of sleeves, or opt for the Squeeze guards?)

The socks are just tall socks. I don't know if they would actually stay up for the run. They are also a two piece construction that might not be easy to get into when you are wet.

The compression sleeves are what I would try. Should work just fine under the wetsuit and give good compression. There is the potential for some pretty good drag reductions if you pair the sleeves with a good pair of shoes and pedals. Maybe the lace up Giro and aero Speedplays.

At 25mph.

I wish they'd pretty much do a time and wattage chart like Flo wheels has for all these kind of products.

What percentage of 1/2 or full participants average over 22mph? Or even 20mph?

Stretching a tri product out to 25mph for a wattage graphic like that is a little bit much.