Alternative Bib Shorts
Bibs with a minimalist look for long summer rides at a high pace push the boundaries of recycled materials.
Explore MoreAerodynamic shorts made from sustainable materials for long summer rides
I've been now riding 200+ km in these bibs and they are very comfortable. Clearly designed for warmer weather and they breath well, for below 10 degrees (Celsius) I would recommend something warmer. Size seems to be on point. Also I like the colors. Can totally recommend these!

Product description
The shorts adapt to your optimal riding position without restricting mobility thanks to the high-stretch compression fabrics. The Elastic Interface liner ensures maximum comfort even on the longest days in the saddle, when the sun doesn’t set until late in the evening. Breathability is accentuated by perforated suspenders for optimal moisture wicking during high performance. The Alternative collection is designed with the intention of becoming a cycling brand with a low impact on the environment. A whole new perspective on performance, durability and sustainability.
Specification
- Made from Italian GRS® certified recycled materials
- Clean cut design for high performance and minimal appearance
- Long distance chamois padding with three types of high density bio foam
- 100% recycled mesh placed in the suspender area for effective moisture wicking
- Made in the European Union
Materials
Fabric 1
- 78% Recycled Polyamide
- 22% Elastane
Fabric 2
- 93% Recycled Polyester
- 7% Elastane







Features
- Extra wide silicone print inside to prevent rolling out
- Reflective branding for increased visibility
- Perforated recycled suspenders
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 | XS | XS | XS | XS | S | – | – |
W 67-72 kg | XS | XS | S | S | S | – | – |
W 73-79 kg | – | – | M | M | M | M | – |
W 80-88 kg | – | – | L | L | M | L | L |
W 89-98 kg | – | – | XL | XL | XL | XL | XL |
W 99+ kg | – | – | – | XXL | XXL | XXL | XXL |


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Designed & developed using the experience of former professional riders
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For a healthy planet to ride on
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Free standard EU shipping on any order over 150 EUR
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Risk free 45 Day return policy
Reviews
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High quality
The bib shorts are superbly made. The fabric is really thin and feels soft, the overall quality seems to be very good. I could not wear them on bike, since they are a bit too big for my flat bum. Gip measurement! Even following the size table was not as successful for me as I had wished. But this could be a particular issue regarding individual shape. All in all if the size is right, these bib shorts are great.Show full review -
great
chamois is comfy and seems of good quality. I have done a couple of all-day rides in warm conditions in it, no chafing anywhere, much comfort. Size L is ok for me (190 cm, 85 kg).Show full review -
Very comfy, high quality bibs!
I've been now riding 200+ km in these bibs and they are very comfortable. Clearly designed for warmer weather and they breath well, for below 10 degrees (Celsius) I would recommend something warmer. Size seems to be on point. Also I like the colors. Can totally recommend these!Show full review -
Alternative Bib Shorts
My favourite shorts and the cashew colourway looks really good. These are very comfy. 178 cm 76kg using size L but could maybe go to a M. 30km a day.Show full review -
Comfort and style
Love the new colour and the bib design. Definitely and upgrade from the previous models. Nice fabric too!Show full review -
Feels great
The bib fits me very good (snug) and feels amazing compared to my other bibs. I have size L at 1.90 m and 82 kg. Only problem is that the reflective logo on one side is already starting to peel off after the first ride but I can live with that.Show full review -
Mr
Best shorts that I've owned, recently ordered my second pair. Fit and comfort is great (size L, 86 kgs, 185 cm).Show full review -
Simply the best bib shorts for me!
The fit is extraordinary. Chamois is just perfect for my body. The recycled materials are just perfect, you can't find any difference from non-recylcled. Long riding just became a pure joy for me, thanks to Isadore!Show full review -
high quality
fast delivery, few and compostable packaging material. shorts look very well made. finally a size M bib short that fits me - 177cm, 70 kgShow full review -
Yess!!!
My first Bibs from Isadore and they're absolute fantastic!!! Slim fit but not too tight. I'm 1,93 m at 86 kg and i bought size XL. Longer Rides (everything over 100 km) are more easy to achive!Show full review -
Great bib, extremely comfortable
my second bibs from Isadore, own already one for colder weather. the chamois are amazingly comfortable, i've been using some Nalini professional in the past, and these one can compete and beat. great for long rides, climbing, hot days. 193 cm and 88 kg, XL fit best. Excellent crafting, high-end product.Show full review -
Great shorts
This is the third pair of Isadore shorts I have purchased and they are the best so far. Beautifully made, super comfortable and really stylish. The pad is one the best I have experienced. The added bonus of these shorts is the eco credentials. Good work IsadoreShow full review -
Great
These are the best summer bib shorts I have. The padding is not very thick bit very effective. The fabric is breathable and feels quite nice on skin. I have bought recently a second pair of them and ride only them for now. No better reference needed. 10/10 or even 11/10Show full review -
Paw
Exceptional. Being more sensitive to saddle and bib shorts issues, I am totally convinced, that these are the best bib shorts I have ever owned. They are light, breathable and the most important, the pad is spot on. My first ride was about 100 km long, I could easily find my optimal position and did not experience chafing or whatsoever. I am happy with them and wait for the size S being back in stock.Show full review -
Super fit, super soft and stretchy material and seat pad, gentle compression
Super bib and beautiful too. For reference, I'm 194cm tall, 86kg, 34 in jeans. I tried XL and L. At first I thought XL is right, but the material is soft and stretchy that I ended up with L, which is great. For comparison I have got CASTELLI FREE AERO Bibs in XL and the Fabric and Seat pad on Isadore Alternative bib is softer. I usually ride for 2h and overall Isadore Alternative bib feels more comfortable on bike. I would buy again. This is my third bib from Isadore and I will order one more soon.Show full review -
Anro
Sehr gute Hose aus angenehmem Material. Trägergurte und Schnitt sind echt luftig für Sommerfahrten, Oberkörper fühlt sich frei an. Polster auch sehr gut, obwohl ich etwas Bedenken hatte, weil es sich recht dünn anfühlt. Lediglich die Beinlänge ist für meinen Geschmack etwas zu lang. Kaufempfehlung. 181 cm, 74 KG - Größe M passt prima.Show full review -
Pán
Perfektné nohavice aj na dlhšie výjazdy.Show full review -
Najlepšie nohavice ktoré som mal.
V priebehu 15 rokov cyklistiky som vyskúšal mnohé kraťasi. Tieto sú však jednoznačne najpohodlnnejšie. 7 hodinová jazda bez akého koľvek náznaku bolavých sedací partií. Pecka! Krásne vypracované!Show full review -
Roger
Absolutely great bib shorts! I love the pad, the length and the size. I am 1.88m, 76kg and a waist of 87cm. I ordered an L, it sits race tight, but very comfortable. I got long legs and this bib has the right length for my legs. I also have a Signature bib short form Isadore, but I prefer this bib short over the Signature bib.Show full review -
Super
Sedia ako rit na serbel.Show full review -
Comfy warm weather bibs with too short legs
I really like the product except for the legs being too short for my liking. It'd be better if the cut would allow the legs to be 3-5cm longer as with other "comparable" brands. Thin matieral that sits nicely.Show full review -
Ralf
The pants themselves are really great, they fit very well and the padding is great. However, I have big problems with the seams, as they scratch a lot and even scraped the skin after longer rides. The problem occurs primarily at the point where the front thigh meets the hip (both sides), since the seam is constantly moving here while driving. I have the same problem with the alternative 3/4 bib shorts. I now help myself by treating the seams with chamois cream the day before a longer ride.Show full review
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