NEW IN BOX UNOPENED Reach New Year resolutions faster This is the original, portable bodyweight training tool. Developed by Navy SEAL Squadron Commander Randy Hetrick, people of all fitness levels can use TRX to increase their strength, flexibility, mobility, endurance, and core stability. Ergonomic and Durable Handles: the old saying “no pain, no gain” might be true, but at least you don’t have to feel it in your hands and fingers! Ultra-Durable Dupont Kevlar: designed so the high wear points maintain their strength and stability despite hours of uninterrupted use Theft-Resistant Locking Carbiner: pin lock security keeps your Suspension Trainer safe and sound Corrosion-Resistant: water, sweat, and even tears are no match for the corrosion-resistant coating on the locks and anchors Barrel Lock Adjustors: revolutionary steel slide mechanisms make adjustment a breeze and comfort a guarantee Multiple Anchoring Solutions: workout outside, in a doorframe, against a wall, or get creative with this versatile product