
Gabba R Jacket
The next generation of foul-weather race protection. Engineered for pro-level performance, Castelli’s Gabba R Jacket delivers unmatched aerodynamics and waterproof protection without sacrificing breathability. Built with Castelli’s exclusive ITTTAI® electro-spun polyurethane membrane, it’s lighter, stretchier, and more hydrophobic than ever—tested in the wind tunnel to ensure zero compromise on speed. A true evolution of foul-weather race gear.
- Aerodynamic waterproof race jacket for wet, cool conditions
- Race fit ensures aerodynamic performance
- Weight: 229 g
- Ideal for temperatures from 39°F to 64°F (4°C–18°C)
- Exclusive Castelli x ITTTAI® electro-spun membrane for advanced waterproofing and breathability
- Lightweight stretch fabric (125 g/m²) moves naturally with the body
- Inner backer: 78% polyester / 22% elastane for softness and moisture control
- YKK® Vislon® waterproof zipper with stretch wrist closure to seal out water
- Three rear mesh pockets for drainage and easy access
- Drop tail with reflective stripe for visibility and spray protection
- PFAS-free membrane for an eco-conscious finish
The next generation of foul-weather race protection. Engineered for pro-level performance, Castelli’s Gabba R Jacket delivers unmatched aerodynamics and waterproof protection without sacrificing breathability. Built with Castelli’s exclusive ITTTAI® electro-spun polyurethane membrane, it’s lighter, stretchier, and more hydrophobic than ever—tested in the wind tunnel to ensure zero compromise on speed. A true evolution of foul-weather race gear.
- Aerodynamic waterproof race jacket for wet, cool conditions
- Race fit ensures aerodynamic performance
- Weight: 229 g
- Ideal for temperatures from 39°F to 64°F (4°C–18°C)
- Exclusive Castelli x ITTTAI® electro-spun membrane for advanced waterproofing and breathability
- Lightweight stretch fabric (125 g/m²) moves naturally with the body
- Inner backer: 78% polyester / 22% elastane for softness and moisture control
- YKK® Vislon® waterproof zipper with stretch wrist closure to seal out water
- Three rear mesh pockets for drainage and easy access
- Drop tail with reflective stripe for visibility and spray protection
- PFAS-free membrane for an eco-conscious finish
Original: $277.50
-70%$277.50
$83.25Description
The next generation of foul-weather race protection. Engineered for pro-level performance, Castelli’s Gabba R Jacket delivers unmatched aerodynamics and waterproof protection without sacrificing breathability. Built with Castelli’s exclusive ITTTAI® electro-spun polyurethane membrane, it’s lighter, stretchier, and more hydrophobic than ever—tested in the wind tunnel to ensure zero compromise on speed. A true evolution of foul-weather race gear.
- Aerodynamic waterproof race jacket for wet, cool conditions
- Race fit ensures aerodynamic performance
- Weight: 229 g
- Ideal for temperatures from 39°F to 64°F (4°C–18°C)
- Exclusive Castelli x ITTTAI® electro-spun membrane for advanced waterproofing and breathability
- Lightweight stretch fabric (125 g/m²) moves naturally with the body
- Inner backer: 78% polyester / 22% elastane for softness and moisture control
- YKK® Vislon® waterproof zipper with stretch wrist closure to seal out water
- Three rear mesh pockets for drainage and easy access
- Drop tail with reflective stripe for visibility and spray protection
- PFAS-free membrane for an eco-conscious finish
























