The ​SFAST is a simple, patented, innovative solution to shoulder joint instability. Previous shoulder-bracing devices have been known for being difficult to fit and adjust. The ​SFAST’s one-piece structure utilizes a polyurethane strap configuration that mimics the body’s natural movement while maintaining dynamic end-range-of-motion support. This simple-to-fit design allows the brace to be adjustable and provide long-lasting stability.

SKU: AY-19 Category: Tag:


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See image below to get an idea of where to measure.

Size Chest Measurement Bicep Measurement
Small up to 40″ up to 13″
Medium 38 – 42″ 13 – 15″
Large 42 – 46″ 14 – 17″
X Large 46 – 50″ 15 – 19″
2X Large 50″ and up 16″ and up

  1. Place injured arm in sleeve of support
  2. Secure hook-and-loop strap above elbow
  3. Close support by securing hook-and-loop strap under opposite arm
  4. Attach straps as needed for posterior and anterior support
  5. Adjust as needed

Refer to tutorial videos.


  • Bilateral
  • Provides compression and warmth
  • Lightweight, breathable, and comfortable
  • Muscle strains
  • Post-surgery recovery
  • Rotator cuff deceleration
  • Shoulder joint instabilities
  • Subluxations
  • Among others
  • Thermoplastic polyurethane
  • Rubber
  • Nylon fleece
  • Neoprene
  • Nylon
  • Leather
  • Polyester