Buy 4D Pro Sling Trainer / Sling training at Europe's No. 1 for home fitness

Sling trainers of the brand 4D Pro feature flexible resistance tubes, also called lambda tubes. Like the name of the brand indicates, you can train in four dimensions with this sling trainer and experience a holistic, new training. The big surfaces of the sling trainer offer a good stability, no matter whether you hang in the slings with your arms or legs.