Above-knee and below-knee running solutions

Prosthetic options for getting out, staying active, and winning medals



What you need to know

Advantages for you


High impact durability

The robust 3S80 Fitness Prosthetic Leg is designed to withstand the wear and tear of any workout level, no matter if you’re an athlete in training or a weekend jogger.

Ready for any terrain

Your options are many, whether you’re on a track or uneven outdoor terrain. Choose the Sprinter Foot level of stiffness and the Fitness Sole tread that match your personal running style.

Security with power

Fast changes in speed are no problem for this leg; it won’t slow you down and still provides a secure foot strike for powerful strides.

Technical info

3S80 Fitness Knee Specifications

Max. body weight - 220 lbs

Weight of prosthesis - 682 g

Max. flexion angle - 135°