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Item # AAS005L Past Season Colors

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Item # AAS005L

Winter versatility.

Assos has a whole arsenal of different weaponry for the war on cold weather, including no fewer than seven levels of graduating protection. The LL.bonKa Bib Tights are the option for winter, using the same insulating RX materials as other entries in Assos' line but with added windproof and water-resistant properties. The only Assos bib tights with a warmer rating are the LL.fugu, but we'd argue that the LL.bonKa are a better option because they don't include an extra layer of insulation on the torso, giving you more control over your layering.

This flexibility is further highlighted by something missing in the LL.bonKa: a chamois. Since the bib tights have no insert, you're free to use your favorite summer shorts underneath or even run them chamois-free. Assos suggests that they can also be used for cross-training, but the cycling-specific cut and articulation throughout their construction means they are best suited for use in the saddle.

Since this is Assos, you know you're getting into some serious R&D. The LL.bonKa Bib Tights incorporate panels of a four-way stretch, windproof, and waterproof material called stratagonUltra, which is windproof and — according to Assos — borderline sentient. While we think it's a bit much to claim that the material has agency, it does adapt to your microclimate's condition by dilating. The cold causes the fabric's membrane to close up for full protection from the elements. As you warm up and start to overheat, the membrane opens, increasing breathability and regulating temperature.

Three other fabrics make up the LL.bonKa's construction. RX and RX_Plus are spread throughout in a strategic pattern to maximize protection and breathability as appropriate. The brushed inner lining wicks moisture while insulating, so you'll stay warm and dry. The material is doubled-up over the gluts, which Assos refers to as "your power machine." A panel of stratagonLight is placed over the lower abdomen, which Assos claims reduces the need for bio breaks. We don't know if this is true, but we can attest to the benefits of a little extra protection at the core.

As is often the case with Assos, a few small details make the difference; they have foot stirrups to hold the legs in place throughout your ride, and an 18cm zipper is used in the front to facilitate natural breaks. The long zipper is integral into the narrow design of the front portion of the bibs. This eliminates any potential for nipple chafing from the combination of repeated motion and cold, dry winter air.

The Assos LL.bonKa Bib Tights are available in six sizes ranging from Small to TIR in the color Volkanga Black.

Tech Specs

[main panels] Assos RX & RX_Plus, [lower abdomen] stratagonLight, [knees & thighs] stratagonUltra
3+ season
Recommended Use:
Manufacturer Warranty:

Size chart


Men's Apparel
Leg & Knee Warmers 0 I II
Height 4ft 11in - 5ft 2in
(150 - 159cm)
5ft 3in - 5ft 6in
(160 - 169cm)
5ft 7in - 5ft 10in
(170 - 179cm)
5ft 11in - 6ft 1in
(180 - 185cm)
6ft 1in - 6ft 3in
(186 - 190cm)
6ft 3in - 6ft 5in+
(191 - 195cm+)
XLG but wider
Arm Warmers 0 I II
Chest 35.4in
46.5+ in
How to Measure:
For best results, take measurements over your underwear.
Measure around the widest part of your chest.

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all you need for winter ride

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

i have LL FUGU but like this one better for ease of donning and versatility . lightweight yet offer excellent insulation !
true to size