Compressport TRi Postural Aero Womens Short Sleeve Top

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Product Description

Made from a 3D Thermo Ultralight fabric, the Tri Postural Aero Top is Ultralight, does not retain water and will remain featherlight in all conditions.


- Thermo-Regulating - its unique weaving favours the circulation of the air and allows a perfect balance to allow the body to remain at a constant temperature without rising or falling suddenly. A real protection in winter against cold and heat in the summer.

  • Seamless - For optimum comfort, the microfibre is 100% seamless, lightweight and very soft.
  • Two Levels Pockets - The two levels pockets system allows a better organisation of the equipment on 2 levels for easy and rapid access.
  • Hydrophobic - The water-repellent fibre wicks moisture away and evacuates sweat without absorbing it, even when excessive. No more uncomfortable heavy, damp clothing that irritates and doesn't dry.
  • Zip Protection and Auto Block - The zip protection avoids all chafin, while the zip's auto block system does not swing while running.
  • Hemless - Seamless and without elastic, there is no pressure on the muscle.

Occasionally, without notice, manufacturers change product design and/or specifications.

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Compressport Clothing Size Guide

Use the Compressport size chart to find the best fit for you. 

For Quad & Shorts

T1 T2 T3 T4
Top of thigh (cm) 47-57 52-62 57-67 62-72
Base of thigh (cm) 33-39 36-42 39-45 42-46


Calf (R2, UR2 & US)

T1 T2 T3 T4
Calf circumference (cm) 30-34 34-38 38-42 42-46
Calf height (cm) 25-35 30-40 30-40 40-45


Pro Racing Socks

T1 T2 T3 T4
UK Womens sizing 3.5 - 5 6 - 7.5 8 - 10 10.5 - 13 
UK Men sizing 2.5 - 5 5.5 - 7 7.5 - 9.5 10 - 12.5
EU sizing 35 - 38 39 - 41 42 - 44 45 - 48


All Tops

Chest circumference (cm) 81-88 88-95 95-103 103-112 112-121
Chest circumeference (inches) 32-34 34-37 37-40 40-44 44-48


Full Leg

T1 T1+ T2 T2+ T3 T3+ T4 T4+
Calf circumference (cm) 30-34 30-34 34-38 34-38 38-42 38-42 42-46 42-46
Base of thigh (cm) 33-39 36-42 36-42 39-45 39-45 42-48 42-48 45-51
Top of thigh (cm) 47-57 52-62 52-62 52-62 57-67 62-72 62-72 67-77


Full Socks

1S 1M 2M 2L 3M 3L 4M 4L 5M 5L 5XL
EU Sizing 34-36 34-36 37-39 37-39 40-42 40-42 43-45 43-45 46-48 46-48 46-48
UK Sizing 3-4 3-4 4.5-6.5 4.5-6.5 7-8 7-8 8.5-11 8.5-11 12-13.5 12-13.5 12-13.5
US Sizing 3.5-4.5 3.5-4.5 5-7 5-7 7.5-8.5 7.5-8.5 9-11.5 9-11.5 12.5-14 12.5-14 12.5-14
Calf circumference (cm) 23-29 30-36 30-36 37-43 30-36 37-43 30-36 37-43 30-36 37-43 44-50

Please note, all size information is provided as a guide - if you're unsure or need any further assistance you can call us on 01792 799508 ... we're happy to help!

Shirts & T-Shirts Guide


Shirts and T-Shirts Guide

More than just casual clothing our Shirts and T-shirts category includes some dedicated cycling tops as well as après ride wear. High-wicking technical fabrics give you great on-the-bike performance while retaining that casual look.


Whether in front of the campfire or in the mountains the flannel shirt has long been a favourite of MTB riders. Traditional flannel shirts are great for wearing post ride or while on home mechanic duties. With high-wicking stretch fabrics modern cycling shirts are perfect for riding too. As an alternative to a lightweight jacket a technical cycling shirt is a great for off-road riding in cooler conditions.



It’s hard to beat a traditional cotton t-shirt for comfort, so they are the perfect top for wearing after a ride or when you’re just hanging out with your cycling buddies. Unfortunately, cotton doesn’t dry easily, so a cotton tee can be uncomfortable on a long sweaty ride especially when you stop for a break. This is where technical t-shirts come in, as they’re designed for cycling.


Technical T-Shirts

As fabric technology improves technical t-shirts or tech tees are becoming ever more popular for riding in. Ideal for mountain bikers and gravel riders who prefer a more casual look, tech tees are made from rapid wicking fabrics that perform as well as a dedicated cycling jersey. Other features include hidden stash pockets and goggles/glasses wipes. Look for Merino wool if you want the ultimate natural feel without sacrificing any on-the-bike performance.

For even better on-the-bike performance see our cycling jerseys section.

technical t-shirt

Delivery & Guarantee

UK Delivery Information

International Deliveries – Temporarily Suspended 11/11/20

Note: We are still offering deliveries to the Isle of Man, Scottish Highlands, Scottish Islands, Channel Islands, Isle of Wight, Jersey and Guernsey. 

Courier Delivery update: Due to the COVID19 situation, we are currently experiencing some delays with deliveries. Our couriers are working around the clock to get your order to you as soon as possible but there is a potential delay of up to 48 hours . Please check your tracking on track your order here.

Please download the TNT Track and Trace App for iOS here and Android here so you can keep an eye on your delivery and any further updates.

Please note on the TNT tracking app it may show your delivery status as ‘Collecting’ (as per image below). This means your delivery has left our warehouse and is currently held at TNT main depot and there could be up to a 48 hour delay.

tnt delivery

Please keep checking the TNT tracking for further updates. On behalf of TNT we apologise for any delay and inconvenience this may cause. 

We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE in the UK, regardless of the size and on all orders over £20.

Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

Please note that Pre-Order dates can sometimes change due to updated stock information.

Click here for more UK and international delivery information.

Returns & Warranty

It's easy to return a product with our 365 day, hassle free returns. 

We will give you a full refund on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

For more information please visit our Returns & Warranty page.