Complete Tri

Triathlon Shorts Buying Guide

Triathlon shorts are perhaps one of the most versatile and core pieces of a triathlon clothing wardrobe for any serious or beginning triathlete.  Because it is the one piece of gear that you wear for each leg — the swim, bike, and run – investing in a pair is an easy way to check an important box for your race-day triathlon attire.  Other than shoes, a good pair of triathlon shorts will be all you need to wear on your lower half during a triathlon.


forza triathlon shorts
De Soto’s Forza shorts

In most triathlons, the majority of racers have some combination of triathlon shorts and triathlon or workout shirt, if they are not using a full-on triathlon suit.  Investing in a good pair of triathlon shorts can be a good way to get into the sport of triathlon without dropping a ton of money on higher-end gear, and a way to simplify the race because you won’t have to worry about ever changing your bottoms.  Even in cases were you may choose to race in a tri suit, having a good pair of tri shorts (or a few good pairs) will be useful for your training and open water swims. Triathlon shorts come in a couple major quality levels, and share a few key features.

In this article, we summarize what you should look for in a good triathlon short as well as our preferred models.

The Bottom Line: Our Tri Shorts Picks

We have listed five triathlon shorts that we recommend below, but if you are in a hurry, here is a quick summary.  Read down below for much more detail.

  • Our favorite higher-end triathlon short is the De Soto 4-Pocket Forza Model, great for any race distance.  Perfect combination of comfort, quality, and performance.  Find Here on Amazon.
  • If you don’t want to spend as much, our top mid-range tri short is the Pearl Izumi Select, about half the price of the De Soto, and a reliable garment good for Sprints and Olympic races.  Find Here on Amazon.

Triathlon Shorts:  What to Look For

Tri shorts are a key part of your training and your race.  Few other garments are expected to deliver on the all-purpose duty that you will need from your shorts.  They need to be both durable and breathable.  They need to do well in the water as well as on the bike.  Those are tall orders for any pair of shorts, but fortunately today’s tri gear makers have done a nice job of blending the right fabric and features so you truly can wear one pair of shorts throughout the race. A good pair of tri shorts quickly become a go-to garment that you can use for training for any event, as well as on race day.  Note, however, that tri shorts are not intended to be used in chlorinated pools.  Doing so will wear them out quickly.  Most triathletes who we know reserve their tri shorts for bricks (combo bike and run workouts) and race day, using swim jammers in the pool and cycling shorts on their longer rides.

Tri shorts are different from cycling shorts or compression shorts.  While compression gear is meant truly to increase blood flow and recovery, and cycling shorts are purpose-built specifically for the activity of cycling, tri shorts are much more versatile in both form and function.

When you are buying your tri shorts, key things to look for include:

triathlon shorts vs. bike shorts
A good pair of tri shorts provides some level of bike padding, but at a level that doesn’t impede the run at all.
  • Fabric that is truly all-purpose.   The material in your shorts need to be breathable on the bike and run, quick drying out of the water, but great during the swim.  Most makers know how to create great fabric blends that are good during the swim but will essentially be dry by the time you get on the bike.  We don’t know how they do it, but they do.
  • A bike seat pad that is sufficient for longer rides and quick-drying as you exit the water.  Bike pads in triathlon shorts are not as substantial or thick as those you find in single-purpose bike shorts.  In fact, they are quite a bit thinner.  That is necessary, however, in order for your pad to not remain wet while you ride the bike in the second leg of the race.  If it did, it would introduce chafing that would in turn introduce misery.
  • Seams that you can’t feel.  Like a good pair of compression shorts or compression tights, the seams in a triathlon short need to be flat enough so you don’t even know they are there, yet strong enough so they are durable.  Seam construction is one of the things that usually improves as you spend more on the shorts.
  • The right length.  Most tri shorts have an inseam length ranging from 6 inches (very short) to 10 inches (on the long side).  There is no perfect length – it is a personal preference thing.  But don’t settle for a length that you are not comfortable in.
  • Comfortable leg grips.  The grips on the bottom of the shorts need to do two things:  hold tight on your leg so the shorts don’t ride up, and do it without digging in to your skin.  Most makers have developed a good system of leg grips, capable of keeping your shorts from riding up on the bike or run, and from bunching up underneath your tri wetsuit. However, this is another area where spending more sometimes gets you better comfort.  The best leg grippers are the ones that you don’t even know are there.
  • Pockets.  We go back and forth on pockets…. while they certainly are not a necessity, especially for those doing a Sprint, they are a nice feature that you get used to, once you have them.  Especially if you are someone who does longer races or relies on gel packs during your bike or run, you might want to consider the models that include a couple pockets.
  • A good fit.  Having the right fit in all of your workout gear is essential, and it is no different with tri shorts.  If they are too small, they could constrict your range-of-motion and even cutoff your circulation in a very uncomfortable and dangerous way.  Plus, they will just look terrible.  If the shorts are too large, they might bunch up underneath your triathlon wetsuit, something that will having a domino effect of making the wetsuit fit a little off.  Too-large shorts also do a poor job of keeping everything in place for males…. if you catch our drift.
  • Your Budget obviously needs to play in to your decision, too.  For a higher price, you should expect a more seamless short with leg grips that are barely noticeable.  You should also expect a seat pad chamois that is incredibly comfortable.  As your budget goes down, you will have trade-offs in some of these features, but rest assured you can still get a very good triathlon short for not a ton of money.

5 Recommended Triathlon Shorts for 2024

That leaves us with the question of “what shorts should you buy?”  Many shorts from many tri gear makers do just fine, but here are the 5 favorites that we have personally used, and that combine quality with value.  We would stand behind (and in) any of them.

Castelli Free Triathlon Shorts 

castelli triathlon shorts
Castelli’s Free Tri Shorts (not really free) are excellent, and can be bought on Amazon.

Castelli is known for making high-quality gear at a premium price point, and the Free Triathlon Shorts are no exception.  It is a classic situation of you get what you pay for.  The stitching and fit will be excellent, and the GIRO3 elastic leg grips are among the most comfortable we have found on the market.  Instead of being more of an elastic strip, they are an entire section of the short that give you more gradual, but firm, grip and performs very well.  The KISS seat pad is excellent on the bike and swim, and these shorts dry out quickly.

If you use a Castelli-brand top, the shorts have a snap lock faster that allows the top to hook to the bottom — a nice touch for some athletes.  We have also found Castelli products to hold their shape in a highly durable way for many, many uses, making the investment very worthwhile.  They run a bit small, though, so if you are on the borderline order a size up.  It is a good short that has had a place on our Top 5 list for several seasons now.  Find here on Amazon.

De Soto 4-Pocket Forza Shorts.

Best Overall.  De Soto makes some serious tri shorts that are good for both shorter and longer races.  When you talk to people who say they enjoy using their tri shorts on regular bike rides, then you know it is a quality garment.  These shorts have been our top pick for several years, and nothing is changing this year.  We like the compression qualities of the shorts that help provide some muscular support, as well as the flat seams that you don’t even know are there.  We’re not about looks, but have to admit these shorts look great too, with the curved seamlines.  The Liftfoil construction takes a page out of De Soto’s speed suit playbook and creates a more sleek tri short with less friction – something you will notice when combining with a soto triathlon shorts De Soto’s leg grips are similar to the Castelli, broader and more gradual for an incredible level of comfort.  While De Soto might not have the broad distribution network of other big tri clothing manufacturers, they crank out great quality in all of their products.  If you have the budget, you won’t go wrong with a De Soto Forza — they are the most expensive of the bunch we recommend here, but worth it.   Find here on Amazon.

TYR Competitor Tri Shorts

TYR has been making very good triathlon shorts for many years, and the Competitor is probably the most popular seller. Priced reasonably, the TYR Competitor gives youenough padding to have a comfortable long bike ride, and it dries very quickly after the swim.

tyr shorts

We have been big fans of the TYR lineup for years.  They make some of our favorite swimming gear on the market, and that know-how translates into their triathlon shorts too. We trust the brand.

Because TYR is so adept at making swim gear, they really nailed it in these try shorts – you will have a comfortable swim and the shorts will be dry as soon as you start cycling. There is also a single pocket, which is where I usually put my spent gel pack packaging during the race, and I find the leg grips to be very effective. Strong and grippy but not uncomfortable.  Overall, a very good short that I have personally used many times.  Find here.

Sugoi RS Tri Shorts

Sugoi makes a stiffer, higher-compression triathlon short which many triathletes like.  The shorts are comfortable and extremely fast-drying, something that becomes important not only in T1 but also when racing in the rain (sooner or later, it will happen).  We also like the proven durability of Sugoi’s, which ultimately reduces the total cost of ownership. Our first-hand field tests indicate that the RS shorts tend to run a bit small, and fit quite tightly compared to other shorts.  They might be a good option if you are a slim, lean triathlete.

If you have a little more muscle on your bones, you might want to consider a different model.   These shorts fits best on those that are slender.  The 7.5 inch inseam works for most triathletes, and the waistband tends to be one of the more comfortable that we use, although waistbands are something that tend to be highly subject to personal preference.  RS stands for Race Systems, and Sugoi has definitely designed these to be highly competitive in any triathlon.  Find here on Amazon.

Pearl Izumi Select Tri Shorts

pearl izumi tri shorts
Pearl Izumi Select

Best on a Budget.  Not all of us have a big budget for our tri gear, and Pearl Izumi is there for people who need quality gear but without the high-end features and price.  Like many of the other tri gear makers, Pearl Izumi started as a cycling gear manufacturer, and used its skill to move into the triathlon market.  We like the feel of the Select Tri Shorts, which seem to provide a little more flex and softness than many of the other lower-priced shorts on the market.  Another best buy.

The Pearl Izumi’s don’t have the more graduated grips you will get at higher price points, though.  For a sprint triathlon, or even an olympic, that should not be a hinderance.  The quick-dry chamois pad dries off as fast as any of the shorts we have tested, and the stitching and leg grips are reliable and of high-quality.  We are also big fans of the one pocket PI puts on the Select shorts, as it comes in handy for carrying gelpacks during the bike ride or run.  For a little more quality and features (not that the Select is lacking), Izumi also makes the In-R-Cool shorts that we really like.  Find here on Amazon.

Triathlon Shorts FAQs

Are triathlon shorts the same as bike shorts?

No. Triathlon shorts are designed to allow the wearer to be able to comfortably swim and bike, which requires a much thinner seat pad or chamois than true bike shorts.  The pad on bike shorts is thicker, making it more comfortable on the bike but very difficult to run or swim in.  If you were to wear your regular cycling shorts in a triathlon, two things would happen.  First, the seat pad would not dry out much during the ride. Second, they would be terribly uncomfortable to run in.

tri shorts bike shorts
Bike shorts (L) vs. Tri shorts (R). Note the thinner seat pad, and smaller leg grips.

Do you wear anything under the triathlon shorts?

No. Like bike shorts, tri shorts are designed to be worn directly against your skin, with nothing (no underwear or briefs) beneath them. In fact, if you wear anything under them, your chances of chafing will be very likely.

Do you change out of your triathlon shorts after the swim?

No. Tri shorts stay on for all three legs of the race.  They are designed to dry very quickly once you are out of the water.  If you have never used them, you will be surprised how quickly they dry when you begin the bike leg of a race.

Are triathlon shorts padded?

Yes, they have a seat pad or chamois for the cycling leg. But the pad is thinner and narrower than you would find on a pair of cycling shorts. If the pad wasn’t thin, it would cause chafing and discomfort on the swim and run legs.


The bottom line is that there are plenty of choices when it comes to tri shorts.  We think anyone doing a triathlon needs at least one pair, and if you plan to make triathlon a hobby, consider experimenting a bit.  Our recommendation would be to buy a couple, and find the brand that fits you best.  If you are serious about your training or plan to do more than one race, you will benefit from having more than one pair.  If pressed, we would recommend the De Soto for the higher price range, and the Pearl Izumi for the mid-range.

If you enjoyed this, don’t miss our other pieces on triathlon gear, updated each season with the top makes and models on the market.

  • Understand the ins-and-outs of entry-level triathlon bikes, if you happen to be in the market
  • For those of you doing open water swims, check out our piece on the best triathlon wetsuits on the market
  • Don’t forget your other accessories, like the triathlon bag
  • Finally, many new triathletes tell us that they love our Race Day Triathlon Checklist, which gives you the scoop on what you really need on race day, what is nice to have, and what the bells and whistles are if you want to be an elite racer in your next race.

If you enjoyed this overview of triathlon shorts, you would love our proprietary PDF “Our 11 Favorite Places to Find Triathlon Discounts”.  It includes deep discounts and coupon codes you can only get through Complete Tri.  Just join our email list and have immediate access to the deals!