Feel weird asking, but what kinda underwear should i be wearing, when i run in the not horrible season i wear compression shorts do to bunching up and stuff. does it really matter on a bike. haven't noticed it yet, but haven't ridden outside either, just on the trainer. (not sure if its relevant)
sorry if this is a weird one or been asked before!

None.

No underwear under the cycling shorts.

any brand recomendations?
or any other options? i thus far just ride in sweats and boxers and they seem ok for what little peddling i can do at home.

Brands of cycling shorts?

They're personal ... you've got to find something that works for you. These might give you a place to start looking:

wiggle.com.au Cycle | Mens Shorts

Bike Shorts | Cycling Shorts by great brands! | Bike Nashbar


Just make sure the padding covers your sitbones.

Many options here, Cycling Apparel, Bike Shorts, Bike Jerseys by Aero Tech Designs

If you decide to go with cycling type shorts, don't fall for the hype that they have to be padded. Finding the right cycling shorts can be similar to finding the right saddle. You may have to try a few to find what works best for you.

any other recommendations besides those cycling shorts though?
im sure theirs fine, but i wanna know if i have other options for riding to work etc.

also thanks for the insight everyone!!!

You are free to ride in any kind of clothing you can fit on your body.

Most people who cycle distances, particularly on road bikes, find that padded shorts---whether the pad be exceedingly thin or quite thick, it varies from person to person---are the most comfortable garment. The shorts prevent chafing and offer a very small amount of shock absorption. Mostly the padding prevents saddle sores caused by chafing.

Many people who ride mountain bikes wear baggy shorts, often with a pair of padded shorts as an inner layer. Because mountain bikers tend to stand and sit frequently, padded shorts might be less important to comfort.

You can wear a tutu or a kilt or sweatpants or jeans or tights or cycling shorts or nothing but a thong .... go to a 12-hour mountain bike race and you will probably see different people wearing any of these.

Just as with any other situation ... you can pretty much wear whatever you want, and so long as your clothing does not interfere with what you do ... it's fine.

well tutus it is then!

definetly the most aerodynamic option out there!

After a bad experience spending a huge amount of money on Assos shorts a few years ago I've tended to buy relatively inexpensive shorts. However, last year I decided to splash out a bit more on a pair of Castelli shorts and I've been very impressed. Not as expensive as Assos but very comfortable and they seem to be very well made.

Some recommendations may depend on what kind of riding you are planning on doing. For instance, a short ride around the neighborhood I would wear normal street clothes. On longer rides for exercise I wear bib shorts. I found some Pearl Izumi on Amazon for pretty cheap. They are comfortable for me.

I wear sinthetic boxer briefs and whatever cargo shorts are comfortable. These work for up to 7 hours in the saddle. I personally like not looking like a billboard when riding. Ymmv

compression shorts are good, with any athletic shorts on top, some type of nylon or synthetic material

No UW under shorts. I've spent $20 to $120 on cycling shorts. Best value I've found are Sugoi 6 or 8 panel, $55-70. Cheaper ones wear out too quick and I find no benefit from anything more expensive.

I still can't get over the gross factor going commando in biking shorts or in hockey with jock straps. I wear the synthetic moisture wicking boxer briefs under both, never had an issue.

I only wear the baggy MTB style shorts (with padding), though, at least as far as bike-specific clothes go. I wear plain cargo or gym shorts a lot, too. While I like jerseys, I find little use in cycle-specific shorts.

If you wear cycling shorts, they'll either have a pad or a liner, in which case that's your underwear. If you wear something else, such as running shorts, you will probably want some sort of underwear/liner layer, but it'll be your task to find what works. What generally doesn't work is cotton. Cotton gets wet and stays wet, and leads to chafing and other problems (fungal infections, etc.) When I wear single-layer lycra shorts with my recumbent, I'll wear synthetic underwear, usually lycra or coolmax. You can finds stuff that look like compression shorts but are lighter; I find compression shorts still have seams in the wrong places.

After you figure out which one You Like, get 2 more. always wear clean Bike shorts and scrub the skin 'down there' .. Daily..

I've got several sets of Endura padded bicycle underwear. They're kinda matte and a little fleecy when compared to the regular padded cycling tights and noticeably warmer.
I did once ride in unpadded stuff, but it was kinda hit&miss whether the seam placement would agree with me or not. Sticking to padded stuff means all My bike underwear is good for "indefinite" mileage.

An old Scottish woman told me that once when I was hiring a kilt for a wedding I was a groomsman at. Of course I followed her advice and during the reception, while quite drunk, the front of my kilt got snagged up in my sporrin. Quite embarrassing but it did attract a cute girl that I went home with that night.

So the lesson? No underpants in the presence of cute girls.

I wear these under everything, even wear them at the gym under gym shorts. they don't feel baggy in the butt cuz the liner is thin

ZOOT Men's Performance Tri 9" Shorts

get the ones with a wide band (Teksheen bio wrap gripper-free hem) at the bottom of the leg. their 1st version had a tight narrow band, but the new wider band is more comfortable. no fear of gettign them too big. I have a 38" waist and I think mine are XXL

https://www.amazon.com/ZOOT-Performa...oot+tri+shorts

Where's the "Underwear Nazi" when you need em?

You can also ask the folks in the Commuting forum for suggestions.

Men should wear Burger King underwear- It'll hold up your Whopper.

How far are you riding? When I take my Brompton on the train into London I have a 1 mile ride at one end and 3½ miles at the other. For that I just wear normal office clothes. When I ride the full 18 miles from home to work I wear proper cycling bib shorts or leggings. I don't think I'd wear normal office wear for anything much over the 4 miles, though, as I do suffer saddle-sores from time to time. In that respect the Castelli shorts I mentioned above have much to recommend them. I seem to be unusual in that respect, though so what suits you will be different.

John