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Michael B: Needed a lightweight layer between my leathers and me. Zipper is well-placed. Offers some compression.Jun 14, 2015
Steven W: To keep me cool. Works great!May 15, 2015
Carlos Eduardo S: As the weather in Brazil is mostly warm throughout the year the summer tech race undersuit fitted really well to my needs on the road or track. You can actually feel when the suit is working on your body to provide a cooler sensation! It worked great everytime I wore to ride and it definetely serves its purpose! I do recommend this item!May 13, 2015
Timothy R: Makes getting out of my suit much easier, and keeps me cooler.Apr 25, 2015
Robert S: to get into my spidi warrior wind pro suit, no stick.Apr 15, 2015
James M: These are a must have for track days and canyon riding!! Or just because!!Apr 5, 2015
Andrew B: Seems like the right tool for the job to keep cool and keep my leathers fresh.Feb 23, 2015
Christopher E: To wear under my track leathers to make it easier to get the top half off between session.
Yes it works. Also like the two way zip to allow you to go to the bathroom #1Sep 11, 2014
Seth D: need a sleeve if you wear a full suitJul 17, 2014
R A: I always stock in my MOno Leather Suit Hope with this cloth will be easier..May 19, 2014
John P: Essential gear if you want to move easily on the bike - prevents hanging up on your suit/Apr 7, 2014
Craig G: Good reviews, looked like the right choice.Mar 25, 2014
Lorena G: Excelent summer gear. Also to use at Gym as a baselayer under shorts and T-shirts. Nice style and Astar reputation.Mar 18, 2014
Bruce H: I purchased an Alpinestars race suit and was told these undersuits where the way to go and they where right certainly makes getting in or out much easier plus the breathability makes it much more comfortable. I had purchased some inexpensive shirts that theoretically was similar NOT. This suit is well made and very comfy a definite recommend.Mar 6, 2014
Eryk F: no more availability on europe :/Mar 2, 2014
M A: To make track days more comfortable and less "sticky"Feb 21, 2014
Allen C: Since I have all leather gear now, I'll want something that can fit smoothly & snug underneath all the leather that I'll be wearing. Not to mention something that will help keep my body cool while under all that leather. A lot of good reviews about this product, I don't think i will be disappointed when I get the opportunity to try it out for myself. Alpinestars has yet to disappoint me so far.Jan 3, 2014
A shopper asked:Aloha! Which size would you recommend for the Alpinestars Summer Tech Race Undersuit to wear on track days? I'm 5'8", 190lbs, 40 inch chest, 36 pant size and 30 inch inseam. I'm looking for a suit to provide proper compassion, but without restricting my breathing when in a tucked position.
Robert B:I'm 5'11" 150s 33" inseam and I were a size medium. It is suitably snug without binding. The material is very stretchy but is lighter than a lot of the compression clothes I wear cycling. I suspect a large would be called for, although the legs might be a bit long. Probably not an issue because the material is stretchy and comfortable against the skin so a little bunching at the bottom wouldn't matter. You definitely want the undersuit snug so it helps you slip on your leathers without binding. This one does that very wellApr 11, 2014
Todd W:The under suit is very Flexible and not restricting. I would be concerned with being tight. I am 6ft, 220, 36 waist, 46 chest and the large fits fine. I alternate between this suite and a RS Taichi version. It really help getting in and out of a full leather suit.Apr 11, 2014
Robert B:I wear a Spidi leather suit size 50 and I wear a size Medium in the Tech Race Undersuit. For reference I'm 5'11" and in the low 150s. Suit is properly snug without being too short. The off-set zipper at the collar is a very nice feature.May 13, 2014
John P:If 40 is the chest measurement that is a men's medium. You would be 5'8" to 5'11 and maybe 150 - 160 lbs. Sorry you will have to do the conversions. If you are bigger than that then I don't know what the 40 is - Euro sizing? I think this question is better directed to the manufacturer or solved by google.
I am "medium" sized but I feel much more comfortable in a "large" suit of this type (skin tight suit), even if it is then a little baggy. So I would go up a size unless you are really squeezing into a race suit. BTW a tight fitting lycra suit works well under a wet suit also, if you are a surfer.Dec 15, 2014
I bought a 2 piece suit size 56 and undersuite size L.. both fit perfect.. i would suggest you to buy M.. since it suppose to be snug.. Wish you luck.. Also, would recommend Dinese undersuite over Alpine.. as personal opinion.. feels better quality..
Robert B:I wear Euro size 50 in Spidi and Dainese. My Astar race undersuit is a size medium and it fits snugly-- perfect for sliding on leathers or a touring suit. I'm 5'11" 153 lbs if that helps sizing wise. Suit is light and stretchy and should fit a US 40 just fine.Dec 16, 2014
steve b:matt you have the right ideal. when the suit fits snug, it works better. keep you cool and when removing the leathers or other clothes, the suit helps everything slips off much easier. ride safe brother.Dec 15, 2014
charles b asked:Hi, just trying to figure out the best size to get. I'm 175lbs, 5 ft 8 in, 36inch waist, 42-44 chest, and a 30inch inseam. Do you think a large would be too big? I'm not as concerned with snugness to help with rider fatigue as I am with just overall comfort. Thanks charlieJul 1, 2014
I am 5 10.. 220 lb.. about the same on the chest as you but waist is 38.. I bought large and it fits perfect.. When I bought all my stuff through revzilla; I used the charts and the result were perfect..
Really dont know what to tell you, if I may suggest; take large ..
A shopper asked:To whom it may concern, Not sure which would be the correct size undersuit for me? Im 180cm's tall and weigh 154 pounds. My chest size measures 38 inches or 97 cm's Which size undersuit would best fit me in the Alpinestars Summer tech suit. Yours Sincerely Ion SiskamanisJan 19, 2014
Anthony K:I bought size medium suit last riding season. I like the suit very much. As for size, I'm close to the same weight and chest as you but about 6 inches shorter than you. For me, the medium suit's arms and legs are about 5-6 inches longer than I'd like them. For your 73 inch height, the medium suit should fit great. Jan 24, 2014
Pete W:I'm 177cm tall, 40" chest and 175lb ... I got a medium and it fits great, I would go medium if I was you, if you go large I think it would be a little on the baggy side. I'm only 3cm shorter than you and I don't think that would be anything on these suits as they are pretty stretchy :-)Jan 28, 2014
Ronald B:Ion, They do seem to run small. I got a size large. I'm 69" tall and 165 lbs. Chest 40" waist 33". I would get the large due to your height, but if you want a snug fit medium should work for you.Jan 23, 2014
Allen C asked:I was wondering because I can't tell from the picture but even though the description says that this suit is also available as a 1-piece, does that mean that the top and bottom of this suit are detachable to make the top by itself and the bottom as well? Or is the 1-piece option a completely different product on it's own page? I'm a little confused.Dec 25, 2013
Ahmad S:I would recommend a size medium if your suit size is 52. The base layer should be tight, this helps ease muscle aches during long hours on the bike. Its a great cooling material easy to slip on and off.Mar 23, 2014
Andre L:Well it all depends on if you will be wearing back and chest protection on the inside of the suit. So if you are a 52 & don't run back and chest protection, your an idiot. However if you do have a brain and use both go one size upApr 21, 2014
PeteFLUSA:42 Euro sizing? I assume since you mention your body size that you are talking about race suits. My friend is 5'7" (170cm) 135 lb (62kg) and he is 50-52 in Euro Race Suits (40-42 US). I am 6'1" (185cm) 170 lb (77kg) and I wear 52-54 in Euro Race Suits (42-44 US). Most suit sizing charts seem to run a bit large, so we look for the nearest value, and purchase down a size.
If you have a accessible (nearby) motorcycle shop that sells race suits, go in and try a few on. Experts have told me that the suit should fit snug, and standing upright difficult as these were meant to fit those in a seated position. When trying the suit, make sure to emulate the riding position with the suit on, and make sure you can twist to the right or left with your trunk and with your legs. Again, the suit should be snug, but not restrict movement.
Tall people like me can make up for sleeve and inseam deficiencies by purchasing higher boots and longer gloves. If you are shorter, you may wish to try your typical riding gloves and boots with the suit on, just to make sure that the material does not bunch inside the shoe or glove, preventing proper closure.
AliB:I would recommend a size Large based off the information you provided. If you could provide us with actual measurements, we can make a more accurate suggestion. Chest, Waist, Hip and Inseam would be the measurements we need to provide an accurate suggestion.Nov 3, 2011