Alternative Short Sleeve Baselayer
Made from 100% recycled material, this super-lightweight baselayer will keep you cooler in the hottest summer weather. Discover what a difference exceptional moisture management makes.
Explore MoreStay cool during the heat of the ride
It does everything I'd expect of a good baselayer - highly wicking, quick drying but, most importantly, a fit that means I forget about it once my jersey is on. All this plus recycled fabrics. Winning.

Product description
The Alternative Baselayer is made for warm, high summer rides, and works to keep the body temperature well-regulated and the skin dry. It accomplishes this with a snug, second skin feeling, and is so comfortable that you will forget you are even wearing a baselayer, even in the hottest temperatures. The fabric has been knitted from material that has been made from recycling waste products, and in compliance with the GRS International Certification. The printed design is stylish and understated. Extremely easy to wash and care for.
Specification
- Produced from fully recycled ultra-lightweight mesh material
- Treated with HeiQ®, innovative Swiss technology eliminating bad smells and odor in compliance with Bluesign®, and OEKO-TEX®, approved
- Exceptional moisture wicking and temperature control
- Made in European Union
Materials
- 87% Multi-Filament Recycled Polyester
- 13% Elastane

Features
- Easy to pair with sleeveless jerseys on the hottest days
- Extremely light and comfortable
- Topped with a subtle Isadore holographic logo on the chest
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.

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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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Comfy and fresh on hot days
Good feel, very light and breathable. To usually M fits perfect. This piece is a bit less flexible and next time I’d order it one size plus.Show full review -
Eco and fit-and-forget. Ideal.
It does everything I'd expect of a good baselayer - highly wicking, quick drying but, most importantly, a fit that means I forget about it once my jersey is on. All this plus recycled fabrics. Winning.Show full review -
Baselayer that does what you want - wicks like crazy and you forget you're wearing it
It does everything I'd expect of a good baselayer - highly wicking, quick drying but, most importantly, a fit that means I forget about it once my jersey is on. All this plus recycled fabrics. Winning.Show full review -
Fit well, don’t feel it under a Jersey
This product fit well, I’m 170cm for 65kg and I bought a size S. A good thing that is a 100% recycled materiel. However, I’m not sure this baselayer will have a long life. Some sewing are already coming apart.Show full review
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