Alternative Jersey
Our lightest jersey, defined by an aerodynamic fit, is designed for high-tempo riding, especially during the hottest summer days with a generous layer of sunscreen.
Higher compression, longer sleeves, a low collar and a shorter fit in the torso reduce air resistance and create a second-skin feel. The combination of three mesh materials provides high breathability and reliable moisture wicking. You'll stay dry and safe from overheating even in the scorching sun. The extra-wide recycled silicone tape holds the jersey in place even under maximum load. No more compromising between performance and sustainability. The Alternative collection represents the best of both worlds.
Though our jerseys offer protection from UV rays, we always advise you to wear sunscreen protection underneath.
Specification
- Made from Italian GRS® certified recycled materials
- Cut provides high compression, long sleeves, shorter torso for the “bike position”
- Mechanically recycled YKK® Natulon® zippers
- Covered zipper on top and bottom for neck and bib protection
- Recycled zipper pulls
- Extra wide recycled elastic band on the bottom hem
- Extra back zipper pocket
- Made in the European Union
Features
- Three spacious back pockets with easy access and plenty of space
- One extra zipper pocket
- The primary material is treated with HeiQ® technology to eliminate odours
- Reflective branding for increased visibility
Materials
Fabric 1.
- 87% Recycled Polyester
- 13% Elastane
Fabric 2.
- 93% Recycled Polyester
- 7% Elastane
Fabric 3.
- 90% Recycled Polyester
- 10% Elastane
Fabric 4.
- 77% Recycled Polyester
- 23% Elastane
Size Guide
Fit Guide
| MEASUREMENT | XXS | XS | S | M | L | XL | XXL | 3XL |
| A – Chest | < 85 | 85-91 | 91-97 | 97-103 | 103-109 | 109-115 | 115-121 | 121-127 |
| B – Waist | < 73 | 73-79 | 79-85 | 85-91 | 91-97 | 97-103 | 103-109 | 109-115 |
| C – Hip | < 88 | 88-94 | 94-100 | 100-106 | 106-112 | 112-118 | 118-124 | 124-130 |
| D – Arm length | < 72 | 72-74 | 74-76 | 76-78 | 78-80 | 80-82 | 82-84 | 82-84 |
| E – Inseam length | < 76 | 76-78 | 78-80 | 80-82 | 82-84 | 84-86 | 86-88 | 86-88 |
Chest – circumference measured in widest place
Waist – circumference measured in narrowest place
Hip – circumference measured in widest place
Arm length – measured from neck line to wrist
Inseam length – measured from crotch to ankle
Please note that given measurements apply to average body proportions. When chosing a size, please consider specifics of your own body.
| Weight / Height | 159-164 cm | 165-170 cm | 171-176 cm | 177-182 cm | 183-188 cm | 189-194 cm | 195+ cm |
| W 60-66 kg | XXS | XXS | XS | XS | XS | – | – |
| W 67-72 kg | XS | XS | S | S | XS | – | – |
| W 73-79 kg | – | – | M | M | S | M | – |
| W 80-88 kg | – | – | XL | L | M | M | L |
| W 89-98 kg | – | – | XL | XL | L | L | XL |
| W 99+ kg | – | – | – | XXL | XXL | XXL | XXL |
Medium to High Compression
Our most aerodynamic fit, designed for fast rides and races. The fabric hugs the body to enhance performance, provide muscle support and aid in moisture wicking.
Product Reviews
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Submitted 26.9.2024
By gabriel bueno aoki
From Czech Republic
First time a shirt fits me
I am 188cm and 89kg All brands i have shirts XL because they are too long but to fit correctly. This is the first model i get L and its long enough but not too tight. Great materials, super light for summer and nice designShow full review -
Submitted 25.9.2024
By Martin
From Czech Republic
Beautiful quality jersey
My first jersey from Isadore. I really like the design. I'll get more from this collection. :) Based on models from product pics I should have went for XS, but an M size is ideal for me (182cm with 65kg) with an undershirt. I like that the short sleeves are actually longer than most other brands. The material feels good. The pockets are quite tiny, so you can't fit much in, but at least they don't pull out by multiple use. The small zip pocket eg. for keys or ID card is useful.Show full review -
Submitted 22.9.2024
By Lukas
well done jersey
Every part of the jersey fits perfectly even when I have fully loaded pockets the jersey fits comfortably and stay on the right position not hanging on your ass. I also appreciate the zip system which works easily and looks durable.Show full review -
Submitted 23.8.2024
By Thomas
Great Fit and Quality
This fits very well and seems to be of great quality. I will likely buy this again as it’s especially great for the hotter climbing days here in California. The only reason why It’s not 5 stars is the top of the zipper. I wish there would be a little piece of fabric that goes over the top as other isadore jerseys have as it sometimes peaks a bit / is uncomfortable.Show full review -
Submitted 5.7.2024
By Roman Bratek
Skvelo sedi
Skvely dres. Sadol mi výborne. Mam velkost L a moje miery su 179cm a vaha 77kg postava skôr svalnata. ???? vyborny material priedusny a paradne sedi aj na mojich rukach s cim mavam problem. Odporucam.Show full review -
Submitted 13.6.2024
By Romain
Good product
Great fit and quality product. Love the design !Show full review -
Submitted 29.5.2024
By Oliver
fantastic jetsey
great fit even when your biceps is trained. back pockets remain where they should be. ideal for warmer weather - I can highly recommend this product.Show full review -
Submitted 23.5.2024
By Jan
Chique
Love the jersey. Absolutely lightweight for everything up from 20 °C. I'm 1,94 m and 84 kg an a Medium has a tight race fit but perfect length.Show full review -
Submitted 16.1.2024
By Donovan
Super nice and comfortable
Been using this for a few rides now, its super airey and super comfortable even on hot days. Its sustainable and comfortable that should be good enough for anyone!Show full review -
Submitted 21.11.2023
By Jeonseung Yang
From South Korea
pretty good
176cm 71kg Size S fits tightly. It was the fit I wantedShow full review -
Submitted 7.11.2023
By Joseph
holds up to a New Orleans summer
This is the only jersey I ride with for anything 70 F+ and own 3 of them. Can't see myself ever switching to anything else.Show full review -
Submitted 26.10.2023
By Pawel Skowron
From Poland
The Best
Jersey is very well made. The fit is perfect for someone who is looking for more race-fit clothing. Sleeves are very comfortable and mesh on the sides gives you additional ventilation. The silicon strip at the end of the jersey keeps the jersey from sliding up.Show full review -
Submitted 13.10.2023
By Martin
great
beautifully designed light jerseyShow full review -
Submitted 11.7.2023
By Roman Byrchenko
From Canada
Great on hot/humid days!
Feels great on my first ride. Jersey is well ventilated + has a nice pocket for valuables.Show full review -
Submitted 31.5.2023
By Paul Muzni
Love it
Fit is great. Colours/design is bright and happy.Show full review -
Submitted 18.5.2023
By Daniel
Love the color
Nice light Jersey. The fit ist very Athletic. for a more comfy fit, better Go Up one sizeShow full review -
Submitted 13.9.2020
By Miles Baker Clarke
From United Kingdom
The jersey I reach for every summer
Alternative offers an exceptional fit with super light materials. The combination is a jersey I reach more than any other. Plus, it's made with recycled fabrics so I can feel a little better about my purchaseShow full review -
Submitted 31.8.2020
By Chun Tung Sin
From Hong Kong
Wonderful jersey
Light , fit , I wear it when riding over 34C and I feel so comfortable. This is the best jersey I have ever had, even better than climber 2.0.Show full review -
Submitted 13.7.2020
By Mark Botham
From United Kingdom
Perfect
I had this delivered to me under the new subscription. I didn't own an outright summer race Jersey so took the plunge. I had medium at 5ft 10 and 80kg as this is my usual Isadore size. It hugged me tightly and I was slightly concerned I was between a medium and large. It's first ride was a gravel ride in 15 degrees heat. I had a thin base layer on. In my relaxed riding position the Jersey seemed to mould to my body exceptionally well. It no longer felt tight and medium was the right choice. It kept me warmer than it should have done and only when it went in to single figures was an extra layer was needed. The main plus points were the rear pockets. They were large and appeared lower than normal so were very easy to access. The larger zip was also a winner and never once got caught in the fabric. A truely 10/10 Jersey.Show full review -
Submitted 20.6.2020
By Tim
From Netherlands
Fantastic jersey, (very) slightly letdown by shallow pockets.
Who knew it would be possible to create such a magnificent jersey from recyclable materials? Well, not me. It feels and fits for me like the club jerseys I used to wear when I was younger. I'm 177cm in height and weigh 86 kg's with around 22% bodyfat, (Blame Corona ;D) so I'm not the stereotype skinny cyclist. Size Large fits me well. If you like a slightly more relaxed fit, go for the Extra Large. Design is great, something really different, but nothing too flashy. Great reflective details (so important!) and a high quality finish all around. My favorite thing might be the zipper on this jersey. Too many times I've owned quality jerseys with terrible, small teeth, metal zippers. Not with this Alternative jersey. Bigger plastic teeth and smooth action. It might seem like a small thing, but think about it the next time you are ready to go out, only to zip up at the last moment and have cloth stuck in between the zipper. The last thing I want to mention are the pockets. Unfortunately, these are quite shallow and none of them have a zipper. I always go out with a hex and torx key, my phone and a house key. I haven't lost anything during riding and I don't anticipate it happening, but my phone (Samsung Galaxy S7) is already a little too big for the back pockets. In my opinion a jersey in this price range should have pockets that are a bit deeper or have a small zipper pocket like some of your other jerseys.Show full review -
Submitted 1.7.2022
By Robert
From Slovakia
Light, comfortable, ecological
I am 174cm, 65kg, chest 94cm and size M (as per size table, though it is different from the one applicable to long-sleeved winter version of this Alternative jersey) is spot on. The fit is pretty aero but no pinching anywhere (including sleeves). The jersey weighs next to nothing (below 110g) and breathes great. Looking forward to popularizing our brand on the road.Show full review -
Submitted 6.8.2020
By Jakub
From Slovakia
Great summer jersey
For all those really hot rides out there. Perfect jersey, can fit everything necessary in the pockets without any problems. Size M fits great (I am 180cm tall and 74kg weight). No issues riding in it even in lower temperatures (around 20 degrees), just use a merino first layer under it and it works perfect. As there is no merino in this jersey, it's really easy to take care for it, as you need just basic tech-wash to clean it in after every ride.Show full review
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