AirSport+ 3/4
AirSport+ Left
AirSport+ Boa
AirSport+ 3/4
AirSport+ Left
AirSport+ Boa


Simple. Stable. Smarter.

The Aircast® AirSport‌+® is a clinically proven* stirrup design that aids in ankle stabilization for moderate to severe ankle sprains and chronic instabilities. The anatomically correct design and durable, breathable materials offer a stable, comfortable fit. Along with the Aircast technology, simple step-in design and intuitive, micro-adjustable BOA® Fit System, the AirSport+ provides a functional management option to help address ankle injuries and rehabilitation.

BOA® is a micro-adjustable performance fit system.

BOA Fit System

The BOA® Fit System is a dial-based performance fit system that is engineered with high quality, durable materials that enable a microadjustable connection that’s built to perform. Each unique configuration is engineered for power without compromising precision in order to deliver a seamless connection between equipment and body.

Intended Use/Indications:

  • Chronic ankle instability - Weak ankles due to ligament damage and over stressed ligaments
  • Acute ankle sprains & strains - Over stretched and/or torn ankle ligaments
  • Prophylaxis - Helping to prevent reoccurring ankle injury and returning to daily activities

PDAC Assigned Code: L4350

  • Videos
  • Features & Benefits
  • Part Numbers
  • Education
  • Documents
  • References

Simple. Stable. Smarter. AirSport+


AirSport+ Application Video

  • Low profile, customizable compression with the BOA® Fit System
  • Anterior TaloFibular (ATF) cross strap and forefoot wrap provides additional compression
  • Anatomically shaped shells minimize the risk of ankle rollover
  • Stirrup design with air/foam combination to enhance comfort
  • Posterior high ankle strap - provides compression to the tibia/fibula
  • Simple, easy application with posterior step-in design
  • BOA® is a micro-adjustable performance fit system.

Ordering Information

U.S. Shoe Sizing

Right Part # Left Part # Size Men Women
02RXSR 02RXSL XS < 3 < 5
02RSR 02RSL S 3 – 5 5 – 6 ½
02RMR 02RML M 5 – 8 ½ 6 ½ – 10
02RLR 02RLL L 8 ½ – 12 10 – 13 ½
02RXLR 02RXLL XL >12 >13 ½

Operating the BOA® Fit System

To Loosen:

  • Lift BOA® dial. (Figure 1)
  • Pull Tab. (Figure 2)

To Close and Tighten:

  • Push BOA® dial down. (Figure 3)
  • Turn BOA® dial clockwise. (Figure 3)
  • Boa® Knob must be in the down locked position when wearing brace.(Figure 3)

Push In to Engage

Turn to Tighten

Pull up for Quick Release

Patient Application Guide(s):

*Data on file.