What are the lightest weight cycling shorts available?
This page compares 3 lightest weight cycling shorts with verified specifications and prices. Top options include Patagonia Dirt Roamer Shorts, Louis Garneau Carbon 3 Bib, Castelli Free Aero RC Bibshort. Prices range from £72 to £130. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Material ⇅ | Pad Type ⇅ | Weight (g) ⇅ | Waist Size (inches) ⇅ | Leg Length (inches) ⇅ | Waterproof ⇅ |
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Patagonia Dirt Roamer Shorts
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£95.39 ≈ | 86% recycled polyester/14% spandex with four-way stretch | None | 160 | 28-44, 31, 33 | 12.5 in | ✓ |
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Lightweight mountain bike shorts made from stretchy recycled polyester and spandex with welded seams, breathable fabric, two zippered thigh pockets, and an angled hem for knee-pad compatibility. They suit cross-country and trail riders who want cool, flexible shorts without a built-in chamois pad. ★ Ideal forAt 160 grams, with lightweight four-way-stretch fabric and no built-in pad, these are a strong option for riders seeking very light cycling shorts for warm-weather cross-country and trail riding. |
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Louis Garneau Carbon 3 Bib
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£72.10 ≈ | Carbon+LYCRA | 4.1 Motion chamois | — | — | 10 in | — |
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The Louis Garneau Carbon 3 Bib uses breathable Carbon+LYCRA fabric, a perforated 4.1 Motion chamois, and seamless laser-cut thighs with integrated grippers. Its lightweight, airy construction suits performance-focused cyclists who ride in hot weather and spend long hours in the saddle. ★ Ideal forThis bib suits riders seeking the lightest weight cycling shorts because its lightweight Carbon+LYCRA construction weighs 7.13 oz online and uses a breathable, perforated chamois for hot-weather performance.
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Castelli Free Aero RC Bibshort
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£130.14 ≈ | Forza 2 fabric with 32% Lycra | Progetto X2 Air seamless seat pad | 182 | 31 in to 40.5 in | 32.2 in to 34.2 in | — |
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The Free Aero RC Bibshort uses compressive Forza 2 fabric, minimalist bib straps, a five-panel construction, and a Progetto X2 Air seamless seat pad. It suits road racers and performance-oriented riders who want lightweight support and long-distance comfort. ★ Ideal forAt 182 grams in size M, with lightweight Forza 2 fabric and minimalist construction, this bibshort is a strong option for riders seeking lightweight cycling shorts without sacrificing a high-quality pad.
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