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Ride nobly.

Few names inspire the confidence of Gore-Tex, whose Windstopper fabric provides the basic protection at the top end of virtually every manufacturer of cycling clothes. Gore Bike Wear's own Xenon 2.0 SO Bib Tights are no exception to this rule, and the combination of fabrics, cut, and the Xenon chamois make this a pro-level pair of bib tights for the most dedicated high-mileage, cold-weather cyclists. The Xenon Bib Tights live up to their namesake's nobility, which is only fitting as Gore is the king of cold-weather protection.

As with all Gore clothing, the star of these tights is the fabric. They incorporate three layers in a build more akin to a 2.5-layer construction: an outer shell, a Windstopper membrane, and a lining. In this cycling sandwich, the two pieces of bread protect the Windstopper so that it can protect you by keeping you warm, breathing to transfer moisture and prevent overheating, and fending-off the elements. The Windstopper panels are used on the front of the legs and around the crotch, protecting the parts of your body that lead into the wind. The back panel has a more flexible but less protective blend of materials, letting you move freely in the areas that don't need as much wind protection and ventilating well to dump excess heat.

The Xenon insert is Gore's finest chamois. It shares the strategically varied thickness, the freedom of movement, and the ventilating properties of Gore's other inserts, but with an additional anti-vibration element under the key pressure points. This means that it's its most comfortable chamois, and will ensure your comfort across five hours of cold-weather base building.

The Xenon's pedigree shows in their construction. They have pre-shaped knees, foot straps, and shifted seams to make for a fit that's unrivaled in comfortable support and accommodating the pedaling motion. Gore also tapes the crotch seam to prevent abrasion in the area that sees the most contact, protecting your investment. The short front zipper makes them easy to get on and facilitates quick bio breaks, and its underflap is yet another indication of Gore's focus on rider comfort. Reflective piping and logos help keep you visible in low-light conditions from all angles.

The Gore Bike Wear Xenon 2.0 SO Bib Tights are available in five sizes ranging from Small to XX-Large in the colors Black, Black/neon yellow, and Black/white.

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Gore Bike Wear Xenon 2.0 SO Bib Tights - Men's

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3 5

Good with some significant flaws

  • Familiarity: I've put it through the wringer
  • Fit: Runs small
  • Height: 5' 11"
    Weight: 182 lbs
    Size Purchased: large

This review is for the bottoms and jacket together. I had both and finally sold them. Nothing negative to report on the jacket except that the top is sized smaller than the bottoms in my judgement; I would be better off in an XL up top due to my shoulders and chest. The top is cut for scrawny manorexic types. NBD. First the good: the fit is close and streamlined which I like. The warmth of the Gore wind-blocking fabric is the best I've seen particularly on the jacket and the all-important jewels region on the bottom. I was comfortable in single digit wind chill (Midwest) as far as core temp and avoiding genital frostbite. (Yes ladies, that's a real threat for us.) The negatives go to the bottoms: the cut is appropriately very snug in the thigh while being disproportionately loose below the knee. Again, cut for string beans. I had cold spots on the back of the leg because of this and because the wind-block material does not cover the back of the leg. As such, this limits the temperature rating significantly. The ankle cuff is a real problem. It does not give at all so great care is needed putting your foot through; you could easily bust the seam on your new 250 dollar tights. That cuff and the entire lower leg could be improved by using a stretchier soft shell fabric. Ultimately, for such an expensive set to be used in serious cold, I was expecting more.

4 5

Nice Bibs

  • Familiarity: I've put it through the wringer

6'1" 175lbs XL is very close but leaves a bit too much wrinkle in the leg length. These bibs are nice and warm on cold days. I have worn them down to zero F and they kept my legs from freezing. The design is solid, thick quality bib-straps and a decent pad. I have washed them 100+ times, no signs of wear. These have some nice reflective details for those morning/midnight rides. I have yet to test these in a downpour, but can attest that snow is no problemo. I prefer Castelli Bibs for winter riding, but these are a close second.

Nice Bibs
4 5

comment on sizing

Recently tried on these bibs in L. Overall, i would say that the size chart is SPOT ON for an L.
I'm 5'11" 34 waist, 30" inseam, and these were good from crotch to torso, but about 1.5" too long in the leg for me, so didnt buy them. Also, they were loose in the hip which makes sense because my hip measurement is smaller than the L range.
There was no M where I tried these on at, so cant comment on how those fit.

Fabric felt great, seemed well built, overall seemed like typical gore quality. 4-stars based on my 3 mins in them.

Update: Found a M to try on, and ended up buying it. I can say that the sizing chart for the M is pretty accurate as well. There is a huge difference in the hip fit between the L and the M, to where the M is pretty snug on me. My hip is about a 36.5, and it was tough getting them to pull-up, but once on, they felt OK. They are still a bit long in the leg for me, but thats ok, i can deal with it.