SKU: 70400204446

Castelli Beta RoS Women's Jacket in Purple Dew/Night Shade

Sale price$99.00 Regular price$110.00
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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17

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Description

Castelli Beta RoS Women's Jacket in Purple Dew/Night ShadeAt 185g the Beta is lighter than many long sleeve jerseys. In fact, it is so light you will likely not even notice it, but you will still have the protection promised by many jackets. The jacket achieves the triple crown of wind and rain protection, breathability, and low weight by using a combination of Castellis lightest and stretchiest fabrics, Polartec Neoshell and Nano Flex Light. Polartec is used on the front and the upper of the sleeves to

At 185g the Beta is lighter than many long sleeve jerseys. In fact, it is so light you will likely not even notice it, but you will still have the protection promised by many jackets.The jacket achieves the triple crown of wind and rain protection, breathability, and low weight by using a combination of Castelli’s lightest and stretchiest fabrics, Polartec® Neoshell® and Nano Flex Light.Polartec® is used on the front and the upper of the sleeves to provide windproof and waterproof protection where you need it most. Nano Flex Light woven fabric is used on the back allowing any excess moisture and heat to escape whilst also shedding light rain.This thin wind and splash barrier provides a surprising amount of warmth while being so light and stretchy you'll hardly notice it. Race fit for performance on fast autumn and spring rides on any terrain.As summer turns to autumn you still have a few months of amazing riding, but when you have to start dressing warmer you miss the freedom of wearing just a jersey. That's why Castelli made this jacket. They used the lightest, stretchiest fabrics they have to make a jacket that cuts out most of the wind, remains highly breathable, provides remarkably high levels of water protection, and just basically disappears so you don't really notice it. This is a performance piece, so Castelli have kept it focused on the task at hand. There's nothing superfluous on it, unless you consider the big reflective panel on the back to be unnecessary. Castelli don't. Castelli have given it a close-to-body fit so there's no fabric flapping in the wind, which also helps keep the jacket warmer. The pockets are generous and easily reachable, the zip slides easily, and the logoing is discreet.Features:Polartec® NeoShell® 4-way-stretch fabric on front and upper sleeves is windproof, waterproof and highly breathableNano Flex Light woven fabric on back is highly breathable while blocking wind and splashes from light rain or wet roadsClose-to-body cut remains very comfortable thanks to 4-way stretch of all fabricsYKK® Vislon® zipper is easy sliding for quick ventilation control3 rear pocketsReflective panel at lower backWeight: 185g (Small)Temperature: 10°C - 18°C / 50°F - 64°FFit: Raced

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SKU: 70400204446

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4.9 ★★★★★
Based on 17 reviews
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joyce g.
Charlottesville, US
★★★★★ 3
nice
Size: Medium, Color: White
nicely made but larger than I expected
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Reviewed in the United States on September 2, 2025
G
Verified Purchase
Ga Teacher
Pawtucket, US
★★★★★ 5
Soft
Size: X-Large, Color: White
Soft and longer than waist length.
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Reviewed in the United States on January 11, 2026
C
Curvygurl1124
Port Orchard, US
★★★★★ 4
Very basic and comfortable.
Size: X-Large, Color: Light Heather Grey
This is the kind of shirt that I live/sleep in warm weather at home. Very basic and casual which is what I wanted. Definitely wouldn't call it "trendy" though. Great for working out, lounging in, cleaning in, even sleeping in. The fit is comfortable and loose but be mindful of your size selection. I always have to size up for most of my shirts because my upper arms are larger so some people might think this top is runs big. It does have a higher than usual amount of stretch compared to regular cotton t-shirts due to the higher percentage of spandex. Not much of a color choice available but the gray that I got looks like the pics. It's an ok value for the money but not what I'd call great and they definitely need more color choices.
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Reviewed in the United States on October 1, 2025
G
Verified Purchase
glcam319
Cuba, US
★★★★★ 5
Perfect Everyday Tank – Great Value and Fit
Size: X-Small, Color: Navy White Placed Stripe
This sleeveless muscle tank has quickly become a staple in my wardrobe. The material is soft, lightweight, and doesn’t wrinkle easily — perfect for everyday wear. I really like that the armholes aren’t too large, so there’s no bra showing. I got the navy and white striped one, and it’s not see-through at all. At under $10, it’s a fantastic value. I find myself reaching for it again and again. It works great on its own in summer or hot climates, and also pairs nicely with a cardigan or jacket. Looks great with denim shorts or jeans. I am 5’3” and 116 lbs. I ordered the XS and it fits great. 
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Reviewed in the United States on July 6, 2025
A
Verified Purchase
Amazon Customer
West Palm Beach, US
★★★★★ 5
Soft Tank Top
Size: Small, Color: Bright White
Very soft material and comfortable and fits true to size, but the size is flowy/oversized or “relaxed” as they call it. If you want a tighter fit, size down. Perfect for layering.
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Reviewed in the United States on April 16, 2026

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