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Please contact our customer service at and we'll be glad to find out the right size for you.

Size suggested:

Our products provide a race cut and they are very tight, so you might consider one size larger in case you prefer a more comfortable fit.

Our products provide a race cut and they are very tight.


Boonenberg Thermal Jersey TB4 Black

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The Boonenberg Thermal Jersey TB4 is made to welcome the cold season in a stylish yet high-performance way. Inspired by Tom Boonen's winning choices, this garment is made with a gauzed fabric on the chest and back to provide maximum thermal insulation. The raglan sleeve optimises ergonomics and features a frosted fabric, recognisable by its woven design, which provides excellent thermal insulation while offering perfect control of moisture generated by physical exertion. In addition, the jersey is signed in gold by the Belgian champion.

Gauze fabric, with a compact structure in the most sensitive place
Raglan sleeve for improved ergonomics
Cuff with special "cobble grip" construction
Special gold logo embellished with the exclusive signature of Tom Boonen

It is estimated that cyclists lose 2 to 3 kg (4.5 / 6.5 lbs) during the summer. Keep this in mind while choosing your new cycling kit. If you usually wear a size S, during the winter period you may need an M.

Machine wash at 30°C in garment bag or handwash
Delicate cycle / Quick wash
Wash dark and bright colors separately
No synthetics wash / Do not bleach
Do not dry clean / Do not tumble dry / Do not iron


Lightness 3
Insulation 3
Moisture wicking 4



84% Polyamide / 16% Elastane - Antibacterial and wicking treatment

265g | 9.3oz
9° - 16°C | 48.2° - 61°F

How we compare to the other guys

We have left out all intermediaries and avoided increased prices.

Our price $248
Traditional price $330

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