The Details

How do you improve on perfection? That's the task that Castelli faced when updating their all time best selling Free Aero bib short. Engineered as a fast, top-level racing bib short and made with dyed fabrics for a rich colour, Castelli have expertly combine luxury with speed, comfort with performance.

A revamped Progetto x2 Air pad has been constructed with two densities of foam and gel pads that absorb vibrations and improve ride quality, not to mention a soft upper layer that moves with the skin. This pad offers superb long-distance comfort. 

Featuring half the number of panels in the short portion means fewer seams, making these bib shorts easier to wear than ever, as do the minimalist, breathable mesh bib straps, constructed with an open weave and narrow coverage for maximum airflow. There’s also a convenient mesh pocket in the centre back for nutrition and other essentials. 

 

  • 50% reduced number of panels and seams in short portion
  • Newly refined Progetto X² Air seamless seat pad
  • Leg ends stay in place without elastic or grippers

Our Verdict

The Castelli Free Aero RC Bib Shorts are the latest reincarnation of Castelli’s all-time best-selling model.

Key Specifications

  • Constructed from dyed Forza 2 fabric with 32% Lycra® 
  • 50% reduced number of panels and seams in short portion
  • Newly refined Progetto X² Air seamless seat pad
  • Leg ends stay in place without elastic or grippers
  • Minimalist mesh bib strap for maximum airflow, with reinforced yoke
  • Mesh rear pocket
  • Weight 184g (M)

Sizing Information

Castelli Men's Clothing Size Guide

Size A - Chest (in) B - Waist (in) C - Hips (in) D - Inseam (in)
S 36 31 37 32.2
M 37.5 33 38.5 32.6
L 39 34.5 40 33
XL 41 36.5 42 33.5
2XL 43 38.5 44 33.8
3XL 45 40.5 46 34.2

 

Racier items are designed to use fabric stretch to achieve a very snug fit, as such physical garment sizes may vary within the range. Please do not compare sizing with other manufactures.

If measurements fall bewteen sizes, Castelli recomend sizing up.

Delivery

Parts, accessories and clothing delivery - FREE over £30

Delivery for parts, accessories and clothing is free over £30 and £2.99 below that. We have a selection of premium delivery services available, including next day, AM, Saturday, timed delivery and local pickup services. Mainland UK only, some remote and off-shore areas or areas of Scotland may incur a surcharge. Delivery options and lead time estimates will be provided in checkout.

Click & Collect

Our Click & Collect service offers all the benefits of shopping online, combined with an award-winning retail experience in one of our stores. Simply order your items, select Click & Collect and pick up your item at a time that's convenient for you - our stores are open 7 days a week. Best of all, the service is completely free.

How do you improve on perfection? That's the task that Castelli faced when updating their all time best selling Free Aero bib short. Engineered as a fast, top-level racing bib short and made with dyed fabrics for a rich colour, Castelli have expertly combine luxury with speed, comfort with performance.

A revamped Progetto x2 Air pad has been constructed with two densities of foam and gel pads that absorb vibrations and improve ride quality, not to mention a soft upper layer that moves with the skin. This pad offers superb long-distance comfort. 

Featuring half the number of panels in the short portion means fewer seams, making these bib shorts easier to wear than ever, as do the minimalist, breathable mesh bib straps, constructed with an open weave and narrow coverage for maximum airflow. There’s also a convenient mesh pocket in the centre back for nutrition and other essentials. 

 

  • 50% reduced number of panels and seams in short portion
  • Newly refined Progetto X² Air seamless seat pad
  • Leg ends stay in place without elastic or grippers
  • Constructed from dyed Forza 2 fabric with 32% Lycra® 
  • 50% reduced number of panels and seams in short portion
  • Newly refined Progetto X² Air seamless seat pad
  • Leg ends stay in place without elastic or grippers
  • Minimalist mesh bib strap for maximum airflow, with reinforced yoke
  • Mesh rear pocket
  • Weight 184g (M)

The Castelli Free Aero RC Bib Shorts are the latest reincarnation of Castelli’s all-time best-selling model.

Sizing Information

Castelli Men's Clothing Size Guide

Size A - Chest (in) B - Waist (in) C - Hips (in) D - Inseam (in)
S 36 31 37 32.2
M 37.5 33 38.5 32.6
L 39 34.5 40 33
XL 41 36.5 42 33.5
2XL 43 38.5 44 33.8
3XL 45 40.5 46 34.2

 

Racier items are designed to use fabric stretch to achieve a very snug fit, as such physical garment sizes may vary within the range. Please do not compare sizing with other manufactures.

If measurements fall bewteen sizes, Castelli recomend sizing up.

Parts, accessories and clothing delivery - FREE over £30

Delivery for parts, accessories and clothing is free over £30 and £2.99 below that. We have a selection of premium delivery services available, including next day, AM, Saturday, timed delivery and local pickup services. Mainland UK only, some remote and off-shore areas or areas of Scotland may incur a surcharge. Delivery options and lead time estimates will be provided in checkout.

Click & Collect

Our Click & Collect service offers all the benefits of shopping online, combined with an award-winning retail experience in one of our stores. Simply order your items, select Click & Collect and pick up your item at a time that's convenient for you - our stores are open 7 days a week. Best of all, the service is completely free.