SKU: 89375084209

Castelli Bolero Mesh Short Sleeve Baselayer Men's

Sale price$88.50 Regular price$98.33
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 31 - Sep 5

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Castelli Bolero Mesh Short Sleeve Baselayer Men'sAero base layer for aerodynamic gains. Product Features Open mesh body for optimal moisture wicking and airflow Sleeves with aero trip ribbing for maximal aerodynamic gain Technical Features Breathability: 5 5 Lightness: 5 5 Weight: 152gm Temperature: 18C 35C 64F 95F Fit: Race AERO BASE LAYER FOR AERODYNAMIC GAINS. If you have a keen eye, you'll have noticed the lines running down the arms of our pro riders when they race TTs. These aero ribs are our

Aero base layer for aerodynamic gains.

Product Features

  • Open mesh body for optimal moisture wicking and airflow
  • Sleeves with aero trip ribbing for maximal aerodynamic gain

Technical Features

  • Breathability: 5/5
  • Lightness: 5/5
  • Weight:152gm
  • Temperature: 18°C - 35°C / 64°F - 95°F
  • Fit: Race

AERO BASE LAYER FOR AERODYNAMIC GAINS. If you have a keen eye, you'll have noticed the lines running down the arms of our pro riders when they race TTs. These aero ribs are our Bolero sleeves. The ribs create aerodynamic trip strips, making our Aero Jerseys and San Remo Speedsuits even faster. We've incorporated this short-sleeve version into a base layer for road racing. Not only will you be faster, but the open mesh of the base layer will keep you cool and dry.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 89375084209

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4.4 ★★★★★
Based on 26 reviews
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Product Reviews
J
Verified Purchase
Joseph Raley
Boise, US
★★★★★ 5
Great socks
Size: Large, Color: (001) Black / Black / White
Great socks. Very comfortable. Use these socks for work. I walk up to 10 miles in 8 hours at work and these socks stay soft and in place when I get home
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
L
Verified Purchase
Lyndon
Alexandria, US
★★★★★ 5
Good sock
Size: Large, Color: (100) White / White / Black
I love this socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
K
Verified Purchase
KJ
Alexandria, US
★★★★★ 5
Super Comfortable and Great Quality!
Size: Medium, Color: (001) Black / Black / White
These Under Armour socks are hands down some of the best I’ve ever worn. They are incredibly soft, breathable, and provide just the right amount of cushioning for all-day comfort. Whether I’m working out, running errands, or just lounging around, they feel great on my feet. The fit is perfect—not too tight, but snug enough to stay in place without slipping down. Plus, they hold up well after multiple washes without losing their shape or softness. If you’re looking for high-quality, comfortable socks that feel amazing to wear, these are definitely worth it. Highly recommend!
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Reviewed in the United States on February 28, 2025
B
Verified Purchase
Brian
Draper, US
★★★★★ 4
Good sock, size is a little big
Size: Large, Color: (100) White / White / Black, Size: Large, Color: (100) White / White / Black
Good quality material and fairly thick. Size large for a 9.5 shoe is a little big for the foot portion as the heel sits too high but the overall length is good.
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Reviewed in the United States on May 17, 2026
M
Verified Purchase
McKay
Phoenix, US
★★★★★ 5
Great sock
Size: Large, Color: (100) White / White / Black
Love these socks Fit great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026

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