I made the mistake of wearing a heatgear sleeveless tee (compression) as a 'layer' on a colder day.

It took the slightest breeze and circulated it around my body.

It feels weird a) to put on (as it's designed to fit like a sausage casing), and b) to wear under stuff as it slips around on top of the UA.

But on a really hot day, or a warm day with little wind, I put on my sleeveless UA shirt before my Nike dri-sphere or my UA heatgear golf shirt. I stay much cooler. I hate to sound like a fanboy, but UA is the real deal.

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True Length Technology Fitter - www.truelengthtechnology.com
It's live! - www.ShipShapeClubs.com
PCS Class 'A' Clubfitter

A new highlight: Golfing the home course on Christmas Day.

I say it too often: If it's golf club shaped, you can play with it.

For the record, I'm a club doctor, not a swing doctor.