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      FREE AERO RACE 4 BIBSHORT




      Tech Specs:





      • Vortex dimpled fabric on legs for aero performance

      • Forza fabric on inner legs with 38% Lycra® content for perfect fit

      • Stripe mesh engineered minimalist bib construction keeps you cool

      • GIRO4 leg gripper elastic for better grip distributed over larger area

      • Doppio V construction in front for increased support and comfort

      • Flat-lock stitching

      • Progetto X² Air Seamless seat pad


       


      The Free Aero Race short has been engineered as our premier race short. Our first Free Aero Race debuted in 2007 and has undergone continuous improvement as we develop new fabrics and construction methods and respond to feedback from our professional teams. We designed the Free Aero Race to be fast by concentrating on helping you get the most out of your body and by optimizing aerodynamics. The other main goal in this short is comfort, because the pros will be riding 30,000 km per year, and a four-hour ride isn’t even considered long. While the Free Aero Race short has been engineered for top-level racing, all its features make it an ideal short for whatever your cycling challenge.






      Bottom Sizing Chart



































      Size SM MD LG XL XXL 3XL 4XL
      Waist (Inches) 26-28 28-30 31-33 33-35 36-38 38-40 40-42
      Waist (cm) 66-71 71-76 76-81 81-86.5 91.5-96.5 96.5-102 102-107



      Features:



      • Muscle Support and Speed
        In re-engineering the Free we took a look at blood flow, providing just the right muscle support without constricting. The revolutionary Giro Air leg band provides more stretch and distributes the compression over a larger area. The body of the short uses 30% Lycra® for excellent return.

        We also looked at aerodynamics, optimizing boundary-layer airflow with the Giro Air leg band and the dimples on the side fabric. The wind tunnel says it saves 10 watts at 50 km/h, but you’ll probably want to go even faster because your aero advantage will only increase.

      • Confort and Fit
        The best race short must be supremely comfortable. The new fabrics are all softer than the outgoing fabrics, especially the new softer surface fabric on the updated Progetto X2 Air seatpad. The innovative double V construction on the front keeps everything in place without compressing your stomach. And we’ve engineered a new Carré yoke that makes the straps lie perfectly flat.

        But the most important part of comfort is fit. As one of our pro testers said, “These shorts fit perfectly. They don’t move around. Everything is just right.”








      The Castelli Free Aero Race 4 Bibshort - Black is far and away, one of our most popular items. People can't seem to get enough of it.

      Inventory Last Updated: Jul 06, 2020
      Manufacturer
      Castelli
      SKU L19004.010-XXL

      Castelli Men's Sizing

       SmallMediumLargeX-Large2X-Large3X-Large
      Chest 36-37in 38-39in 39-41in 41-43in 43-45in 45-47in
      Waist 27-29in 29-31in 31-33in 33-35in 36-38in 38-41in

      Castelli Women's Sizing

       X-SmallSmallMediumLargeX-Large2X-Large
      Chest 31-33in 33-35in 35-37in 37-39in 39-41in 41-42in
      Waist 25-26in 27-28in 29-30in 31-32in 33-34in 35in
      Hips 34-36in 36-38in 38-40in 40-42in 42-44in 44-45in

      Castelli Shoe Cover Sizing Euro Shoe Sizes

       X-SmallSmallMediumLargeX-LargeXX-Large
      Men ----- 36-39 40-42 43-44 45-46 46-48
      Women 35-37 37-39 39-42 ----- ----- -----

      Castelli Socks Sizing Euro Shoe Sizes

       S/ML/XL2XL
      Men's 36-39 40-43 44-47
      Women's 35-38 39-41 -----

      Castelli Gloves Sizing

       X-SmallSmallMediumLargeX-Large2X-Large
      Men's 7.1in 7.1-7.9in 7.9-8.7in 8.7-9.4in 9.4-10in 10in
      Women's 6.3in 6.3-7.1in 7.1-7.9in 7.9-8.7in 8.7in -----