Rockrider ST500 Mountain Bike Undershorts Men's

Great to wear under regular shorts for cycling. Comfortable to wear and they seem good quality for the price.

Comfortable

Mine are size M, which is the same size as RC500(road) shorts. Whilst the size M road shorts are correct for me, these undershorts are a size too small. I've worn them twice but no longer as they're too uncomfortable. Size L would probably be OK.

Ideal for everyday use.

Bought these to renew my old tired undershorts. Game changer for better comfort over those, the orange pad is much more moulded and considered for comfort, put up with discomfort post ride previously now non (4hrs + Scottish trail centre in summer sun conditions). Would definitely go bigger on size, I'm medium build 36" waist needed XL.

I use these under normal styles of shorts when cycling shorts are not convenient

Initially bought medium as that's never done me wrong before, but the thing couldn't get over my thighs. While not skinny legged, my legs aren't disproportionately huge either. Returned with no fuss and exchanged for a Large, these are also surprisingly tight around the thigh, but just about enough give to be wearable. They are designed quite short, with some rubber around the leg to grip on, which does work well, but means that you have to wear them like very short trunks, almost briefs. If you prefer undershorts that stretch most of the way to your knees, or that will cover your legs if your shorts ride up while cycling, I'd recommend getting a different style. The padding itself is decent, it definitely makes cycling more comfortable, I generally use them for 1-2 hours per ride, and feel the benefit compared to riding without. Probably wouldn't be as much use if you're really roughing it, but better than nothing.

Great pair of shorts, fantastic cushioning

These are pretty decent undershorts for the price. I see that there has been a lot of complaints about the sizing. I would usually order a L or XL based on a 39-40 inch waist but when I looked at the detail on the sizing chart I ordered a 2XL which was perfect.

Great quality and comfortable

Brought the shorts as my padding fell out of my cycle leggings. Brilliant still using them now

After reading reviews I went a size up and purchased an XL, which I then returned for a L which is my natural size. I play football as well as cycle. I have somewhat of an athletic shape. Sizing can be difficult as it all depends on your waist, bum and quads. I’ve used them on 4 occasions now at 2 hours a ride and they are comfortable (no chaffing or soreness). I’d prefer them to be longer undershorts with more/additional padding under the glutes where it meets my hamstring but it does it’s job. I’m due to buy another pair.