Windburn "X" APEX+ Pro Bib Shorts

Size Guide


Engineered for the UCI World Tour, in collaboration with Tour de France winner Tadej Pogacar and 2020 UAE Team Emirates. Multi-paneling construction prevents fabric bunching across the hips, presenting a smooth, uninterrupted surface for optimal airflow and minimal drag.  

Individually handcrafted with multi-fabric, multi-panel construction and an improved silicone gripper for optimal compression, support, and comfort on race day. The Apex bib short is a very close, tight fitting bib short, ensuring maximum compression. 

  • 9 panel construction to ensure the best anatomical fit for improved aerodynamics in the riding position.
  • Chassis and sides made with CS Contour™ Lycra - providing gentle compression to help fight muscle fatigue.
  • *Updated for 2023 - bib strap assembly:  New Summer Lite™ fabric - very lightweight, thin perforated stretchy material to help with heat dissipation. Front shoulder straps have bands with silicone-coated threads to help keep them in place.
  •  Ultra-stretchy silicone injected leg gripper ensuring low irritation while staying in place in all conditions.
  • Double-layer rear panel for increased structure and durability.
  • Flatlock seam construction reduces chafing.
  • Endurance+ chamois - High quality, gender specific premium Italian Dr Pad® chamois pad.

  *Additional Garment Information - click here

We use 100% Italian chamois specifically designed by our partner, Dr Pad®. Thanks to their patented cutting technology, our chamois pads provide a smooth, highly breathable antibacterial, low irritation surface. On top of industry leading 4-Way stretch high density foam, the chamois are shaped precisely to the contours of the rider's anatomy avoiding the need for glues and multiple layers of fabric foam.

The Endurance+ chamois is designed to give specific support for cyclists, especially over longer distances and/or gravel and MTB riding. This chamois is rated up to 8hr distance. This chamois contains a number of channels on the surface that help to ventilate the skin when in contact with the pad, adding an extra layer of comfort. 


  • Density: 120kg/m3
  • Thickness: 2 - 15mm
  • Fabric: 80% Polyamide 20% Elastin
  • Antibacterial cover
  • Ventilation channels
  • Gender specific fit

Suitable for:

  • Longer distances and ultimate comfort
  • Rated up to 8 hr distance
  • Prefers additional support
  • Casual riders
  • Heavier riders, Max. 120 kg
  • Best for gravel riding and stage racing

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