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2XU Engineered Knit Sleeveless Baselayer

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Item # TXU0245

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Item # TXU0245


2XU's Engineered Knit Sleeveless Base Layer relies on a blend of advanced fabric technologies and a body-mimicking cut in order to keep your core body temperature regulated while exercising in cool and cold conditions. The base layer was designed without sleeves as to provide a full range of motion while logging those all-important training miles this fall and winter.

For the construction of the Engineered Knit base layer, 2XU relied on the venerable Meryl SKINLIFE fabric. This fabric was chosen for its hypoallergenic and bacteriostatic characteristics. By this, we mean that SKINLIFE has been engineered to maintain the ideal balance of bacteria on the skin. Yes, despite what the chronic hand-washers have to say, some bacteria is actually beneficial to our skin's health. Obviously, though, an exceedingly high level of bacteria creates its own set of problems. However, maintaining a natural presence, as SKINLIFE does, creates the ideal level of biological comfort. Additionally, within this balance, SKINLIFE prevents the growth of odor-causing bacteria. So, your base layer and body will remain free of stink — even after long days in the saddle.

Just as importantly, though, this material will regulate both your body temperature and the resulting moisture of long winter hours in the saddle. Or, in other words, you'll remain dry throughout the day. And to ensure that you won't ever run the risk of overheating, 2XU also incorporated laser-cut points of ventilation along the sides and chest of the torso — natural evacuation points for excess core heat.

As for the fit, you'll find that 2XU cut this base layer to the natural contours of the body. This way, the base layer fits easily under either a jersey or a jacket, and it won't cause friction against your skin while in motion.

The 2XU Engineered Knit Sleeveless Base Layer is available in the color Black and in the sizes Small/medium and Large/x-large.

Tech Specs

Meryl Skinlife
Recommended Use:
cold-weather cycling
Manufacturer Warranty:
1 year

Size chart


Men's Tops
Chest 31.0-35.0in
(78.7 - 88.9cm)
(88.9 - 96.5cm)
(96.5 - 104.1cm)
(104.1 - 111.8cm)
(111.8 - 121.9cm)
(121.9 - 129.5cm)
(129.5 - 134.6cm)
How to Measure:
For best results, take measurements over your underwear.
Measure under your arms, around the fullest part of your chest.

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Here's what others have to say...


Great baselayer - I'm getting another!

  • Familiarity:I've put it through the wringer
  • Fit:True to size

Terrific baselayer shirt. Im 6'4" 190 lbs and ordered the L/XL. Its just the right amount of compression/tightness to feel snug yet the material is soft on the skin and comfortable under my cycling jerseys. 2XU makes terrific products. Ive worn this to work out as well. Getting this on sale was an added bonus - highly recommend.