RST Tech X Coolmax short-sleeve base layer shirt | Men | 100294
RST Tech X Coolmax short-sleeve base layer shirt | Men | 100294
Delivery time on request

The RST Tech X Coolmax short-sleeve base layer T-shirt for men is the ideal choice for motorcyclists who want a dry, comfortable feel underneath their gear. As a functional base layer, this motorcycle underlayer shirt with short sleeves has been specifically developed to wick moisture away from the body and better balance the temperature feeling during the ride.
Especially in summer temperatures, on long tours, or when riding sportily, a good short-sleeve base layer T-shirt for motorcyclists makes a noticeable difference. It feels comfortable under Leather Suit or a textile jacket without adding unnecessary bulk.
Developed for moisture management and consistent comfort
The RST Tech X Coolmax Mens Short Sleeve Top uses CP-U Fabric, a material known for its moisture-wicking properties. As a result, the shirt helps move sweat away from the skin faster and supports a more comfortable body climate.
The goal is clear: you should be able to ride longer in comfort on your motorcycle, whether it’s hot weather, changeable conditions, or demanding rides. That’s exactly why this men’s performance functional T-shirt is suitable not only for hot days, but also as a sensible base layer during transitional seasons.
Coolmax finish for a drier feel
A key feature of this model is the Coolmax finish. It supports climate regulation and helps the shirt feel pleasant against the skin even during intense exertion. Especially under motorcycle riding apparel, where heat and moisture quickly become an issue, this offers a real advantage.
If you’re looking for a breathable motorcycle shirt, a short-sleeve motorcycle base layer, a Base Layer for motorcycling, or an underlayer shirt for Leather Suit and a motorcycle jacket, this model is made for exactly that.
Short sleeves for maximum everyday usability
Compared to a long sleeve, this short-sleeve T-shirt is especially interesting for warm riding conditions and for riders who want to carry as little material as possible under their gear. This makes the RST Tech X Coolmax short-sleeve T-shirt a strong choice for:
- Summer rides
- Tours in higher temperatures
- Sport riding
- Everyday riding on the motorcycle
- Riders who prefer a lightweight underlayer T-shirt
The shorter cut provides a more airy feel while staying functional at the same time.
Perfect as the first layer under motorcycle riding apparel
As classic base layer underwear for motorcyclists, the shirt is worn directly against the skin. That is exactly where it delivers its strength: it supports moisture transport, improves the feel of comfort, and helps your outer motorcycle clothing feel less uncomfortable.
Whether under a touring jacket, a sporty textile jacket, or a Leather Suit – this men’s motorcycle base layer short-sleeve shirt meaningfully rounds out your kit without distracting from what matters most.
Your benefits at a glance
- Functional men’s motorcycle base layer short-sleeve shirt
- Ideal as an underlayer shirt under a motorcycle jacket or a Leather Suit
- CP-U Fabric with moisture-wicking properties
- Coolmax finish for a more comfortable body climate
- Supports comfort in heat and changeable weather
- Lightweight, breathable, and suitable for everyday use
- Perfect for summer, touring, and sporty rides
- Comfortable first layer directly on the skin
Who is this short-sleeve shirt suitable for?
The RST Tech X Coolmax base layer short-sleeve shirt for men is ideal for riders who:
- are looking for a short-sleeve motorcycle base layer underlayer shirt
- want to stay drier under their riding gear
- want a lightweight motorcycle functional shirt for summer
- want to make their motorcycle clothing more comfortable
- need a versatile Base Layer for the road, touring, and everyday use
Conclusion
The RST Tech X Coolmax men’s base layer short-sleeve shirt is a strong choice for anyone who values comfort, climate management, and functionality when riding. With CP-U Fabric, Coolmax finish, and a lightweight short-sleeve construction, this shirt offers exactly the features that matter on warm days and during intense rides.
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About Us
About Us
Our passion for quality and innovation drives us to offer you the best products and services for motorcycle enthusiasts. From exclusive high-performance parts to tailor-made solutions — your riding experience is at the center of everything we do.
Shipping & Returns
Shipping & Returns
We ship with DHL and FedEx — if requested, also via express. If an item is in stock, shipping via express can, in many cases, be delivered within 1 business day. Standard delivery time is typically about 2–5 business days within the country, and worldwide usually about 1 week. Please check the available shipping options and transit times in the cart, as we offer several shipping providers depending on the country.
Returns must be registered in advance by email and are possible according to our return policy (14 days to request a return + 14 days return shipping deadline after approval). Please note: Unregistered returns will not be accepted. You can find all details on the terms, exceptions, and refunds in our return policy.
Your payment information is processed securely. We do not store any credit card details and we have no access to your credit card information.
| Manufacturer | RST |
|---|---|
| Model | Tech X Coolmax Men's Short Sleeve Top |
| Item number | 100294 |
| Product type | Base Layer Short-Sleeve Shirt / Base Layer |
| Target audience | Men |
| Change of gear ratios | Short-sleeve |
| Material / Fabric | CP-U Fabric |
| Special feature | Coolmax Finish |
| Protection rating | No protective gear |
| Details | Designed for moisture management and temperature comfort while riding a motorcycle |
1x RST Tech X Coolmax short-sleeve base layer
More information in our FAQs
Write to our team via email – we’ll get back to you as quickly as possible.
How long does it take to process my order?
How long does it take to process my order?
If the item is in stock, we usually process your order very quickly; in many cases it can even be shipped the same day.
Our processing times are Monday to Friday, 07:30–16:30.
Do you ship internationally?
Do you ship internationally?
Yes, we ship worldwide. Shipping is carried out depending on the country and the selection, via DHL or FedEx.
What is your return policy?
What is your return policy?
Returns must be registered in advance by email. You can request a return within 14 days of receiving the item and, after approval, you have another 14 days to send it back.
Important: Unregistered returns are not accepted. All details can be found in our cancellation policy.
What does “delivery time on request” mean?
What does “delivery time on request” mean?
“Delivery time on request” means the item is generally not in stock right away and may need to be ordered separately. Please contact us before purchase – we’ll check availability and tell you the estimated delivery time.
Do you offer express shipping?
Do you offer express shipping?
Yes, we offer express shipping. If an item is in stock, in many cases shipping can be completed within 1 business day (depending on the country and shipping option). You can see the available shipping methods in the shopping cart.

