IXON Seamless long-sleeve base layer shirt Underground | Men
IXON Seamless long-sleeve base layer shirt Underground | Men
Delivery time on request

The IXON Baselayer long-sleeve seamless shirt Underground for men is the ideal base layer for riders who focus on comfort, freedom of movement, and a clean feel while wearing it under their motorcycle gear. Developed as a seamless long-sleeve shirt for motorcyclists, it is designed to fit closely to the body, reduce friction, and sit perfectly under Leather Suit, a motorcycle jacket, or protective clothing.
Especially with sport-cut gear, a high-quality base layer motorcycle wash makes a noticeable difference. When the shirt doesn’t ride up, doesn’t chafe, and keeps up with every movement, comfort increases significantly on both short and long rides. That’s exactly what the IXON Underground long-sleeve shirt is made for.
Close-to-body fit for sport, street, and race track
The IXON Seamless Underground long-sleeve shirt is designed for a tight, close-to-the-body fit. Under your actual motorcycle gear, it barely shows, making it ideal for riders who don’t want distracting wrinkles or pressure points under a Leather Suit or a snug-fitting jacket.
The sport fit supports you especially during:
- active riding posture
- longer rides
- trackdays
- sporty street riding
- snug motorcycle gear with race fit
That creates a men’s base layer shirt that feels like a second skin and works reliably under your equipment.
Seamless comfort without disruptive seams
The strength of this motorcycle performance shirt lies in its seamless construction. The seamless processing provides a comfortable feel against the skin and minimizes friction in sensitive areas. This is particularly an important advantage under snug protective clothing, because the long-sleeve shirt supports exactly where normal underwear or classic shirts often get in the way.
Under a motorcycle jacket or suit, the shirt provides:
- even fit
- more comfort in motion
- less friction
- comfortable wearing feel on the arms and upper body
- better everyday suitability under snug clothing
Elastic, functional, and comfortable to wear
The IXON Underground long-sleeve baselayer shirt for men was developed for active riders who are looking for a functional, flexible layer under their motorcycle gear. The elastic construction adapts to your movement and supports a free, close-to-body fit—whether on public roads, during everyday commuting, or on the racetrack.
Especially when riding in an aggressive sport position, when frequently getting on and off, or on long stints, a well-fitting motorcycle functional shirt for men makes a noticeable difference. The shirt stays close to the body without restricting you, making it a practical addition to any technical outfit on the bike.
Ideal under Leather Suit, textile jackets and protective gear
The IXON long-sleeve baselayer is perfect as the first layer under:
- Leather Suit
- motorcycle jacket
- protective jacket
- racing suit
- close-fitting touring or sport riding apparel
That makes it interesting both for sporty riders and for everyone who wants to build their motorcycle clothing more comfortably and more functionally. If you’re looking for a seamless motorcycle base layer for men that works reliably in the upper-body area, this is a strong solution.
Why the IXON Underground long-sleeve shirt convinces
The IXON seamless long-sleeve baselayer shirt “Seamless Underground” is the right choice for riders who want a lightweight, close-to-body, comfortable base layer under their motorcycle gear. It supports wearing comfort, reduces disruptive friction, and fits perfectly under sport-cut riding equipment.
Your benefits at a glance
- seamless long-sleeve baselayer shirt for men
- ideal under Leather Suit, motorcycle jackets and protective clothing
- close-to-body fit for sporty use
- comfortable under close-fitting motorcycle riding apparel
- reduces friction and pressure points
- flexible and movement-friendly
- suitable for street, trackday and race track
- functional motorcycle underwear with a sport fit
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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 | IXON |
|---|---|
| Model | Underground |
| Product type | Base layer long-sleeve shirt / Seamless performance shirt |
| Target audience | Men |
| Application range | Street, Trackday, Race Track |
| Material | Nylon + Elastane |
| Fitment | Fit – never cut |
| Design | Seamless |
| Property | Elastic and movement-friendly |
| Use | as a base layer under motorcycle riding gear |
1x IXON Underground long-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.

