Any potential issues with wearing compression base layers when diving?

[Rebreather Rabbit]

Now that I have some and from the labels know the mix of materials I am going to see if I can find another brand that has the same composition - US is damn expensive here!

I wear Uniqlo AIRism boxer-briefs as 'swimtrunks' under my wetsuit. For me they work great and have held up pretty well. Since I'm diving them wet the main benefit is quick drying times (same reason why I wear Altama Marineboots), but they are marketed as sweat wicking material. They also have shirts of the same material. Might be worth a look.

 

[lizardland]

Now that I have some and from the labels know the mix of materials I am going to see if I can find another brand that has the same composition - US is damn expensive here!

Under Armor is just cheaply made big brand crap sold at a premium because of the logo like Nike or Adidas. Unless you can get it really cheaply then I would not go out my way to use it. Does Decathlon have branches there? Their own brand stuff is just as good and half the price.

The tshirt I have is UA Heat Gear and it stinks so quickly and so badly it's damn near unusable. Apparently this is pretty common from what I've read online. I just use it for running now, there's no way I'd use it if I was going to be around other humans.

My favourite for hot weather is Rab. They do a baselayer made out of a really fine weave fabric that's kind of like a synthetic silk. It's very good at wicking sweat plus it's an anti-bacterial fibre so never smells. I've worn the same shirt all week mountaineering in Spain in summer and it will not stink. It's also tested for sunblocking and I think it achieves SPF50 if I recall (might be 30).

 

[mcohen1021]

The tshirt I have is UA Heat Gear and it stinks so quickly and so badly it's damn near unusable.

amen to that - and why do board shorts stink so bad after a days use - its foul!

 

[went_postal]

The tshirt I have is UA Heat Gear and it stinks so quickly and so badly it's damn near unusable. Apparently this is pretty common from what I've read online. I just use it for running now, there's no way I'd use it if I was going to be around other humans.

I've been using UA (and other brands) Heat Gear / Rashguards for BJJ for years. What we found at the gym was that the people that had bad issues with unwanted odor was that they washed their rashguards with fabric softener. Using fabric softener on any of these types of materials pretty much makes them not function the way they are supposed to and it does tend to not let them clean fully. So when you start sweating in them again you are suddenly surrounded by the last 20 workouts worth of body ick.

 

[went_postal]

After a lot of searching and research as to the most effective moisture wicking base layers for use under a drysuit in a warm climate I have settled on Under Armor Heat Gear - which is a compression base layer that works best when worn firmly stretched against the skin. Are there any issues (or benefits) from a diving medicine/DCI etc perspective with wearing compression undergarments?

I've been wearing a Rash Guard brand that I've only seen on Amazon (Huge Sports) for diving. Compression shorts and shirt... just because I hate trying to stuff "baggy" clothing into a wetsuit. I can't vouch for their longevity yet but I've been swimming/diving in them for the last year with no problems.

At least at ~45' or so I don't feel like I've been attacked by a boa constrictor or anything. I think as with anything... don't wear anything that is too tight/restricting.

As a larger person... I tend to wear these types of shirts anytime I am in the water. I've liked the "tighter" rashguards than normal "swim shirts" because they seem to dry MUCH quicker once you are out of the water... I've also found that they keep you cooler while not outright making you cold like some of the other shirts that just hold water for forever.

As I said in the other comment... with any of this material if you want it to work properly avoid fabric softener.

 

[lizardland]

I've been using UA (and other brands) Heat Gear / Rashguards for BJJ for years. What we found at the gym was that the people that had bad issues with unwanted odor was that they washed their rashguards with fabric softener. Using fabric softener on any of these types of materials pretty much makes them not function the way they are supposed to and it does tend to not let them clean fully. So when you start sweating in them again you are suddenly surrounded by the last 20 workouts worth of body ick.

I don't use fabric softener on anything. The UA t-shirt I have is the only thing I own that stinks like this. It did it from its first use.