Flex-metal® is a patented flexible polymer composite consisting of atomized high purity iron suspended between polymer chains of a proprietary thermoplastic elastomer. Flex-metal® is completely non-toxic and contains no lead or other harmful materials. Only food grade ingredients are used in Flex-metal® production.

Flex-metal® weights are formulated to have physical properties similar to a person's skin. This allows the weights to move, bend, and conform to a person's body without putting unwanted pressure on the body. The Flex-metal® weights create a soft flexible and protective layer for both the user and those around them. Because of this, the weights can be used safely in any environment or during any activity. They can be used safely by young and old alike, during rigorous exercise or even when in direct contact with others, such as during a sparring session.

Flex-metal® weights are covered by a protective swim suit fabric shell. The shell protects the soft rubber weights and allows the weights to slide easily into the pockets.

Flex-metal® weights can also be used in the water. High chlorine environment such as swimming pools may cause some rusting on the outside of the weight under the shell, but as long as the weights can dry after use, the oxidized layer should not cause any problems.

Ironwear Flex-metal® weight inserts are 1/2 x 2 x 4 1/2 inches inside and fit into all adjustable weights pockets in Ironwear Vests, Ironwear Pants, Ironwear Hand Weights, Ironwear Wrist and Ankle Weights, Ironwear Shoe Weights, Ironwear Head Gear as well as Ironwear Blankets.

Ironwear produces all of its weights in Pittsburgh using recycled steel, and because of the high volume of iron, a magnet will always stick to an Ironwear Flex-metal® weight.

Ironwear Flex-metal® weights bought from Ironwear have a lifetime guaranty against material and/or workmanship failure.

Do not be fooled by third party imitation flexible weights now coming out of Asia, they will only cause you trouble.

Metal bars can be extremely dangerous if you fall and they move around during exercise. Metal bars also block your movement and can not be used comfortably for floor exercises. Shot and sand bags although less dangerous move around and bulge out causing localized high pressure areas which can chafe and bruise, and are also not suitable for floor exercises.

Good things about steel and lead bars:

1. Steel and lead bars are cheap. 2. They are heavy.

Bad things about solid metal bars:

1. Exercising with metal bars against the body has the potential to be very dangerous and should be done with extreme care. If you fall or bump into some one the solid metal bars may cause you or another harm. 2. Solid metal bars do not conform to the shape of your body and can cause tissues damage when you move. 3. Solid metal bars can interfere with your movement, and because they do not flex they can block your ability to twist and bend. 4. When you walk quickly, run or jump the solid metal bars move up and down. This jarring motion can cause more harmful impact on the knees, shoulders and spine. 5. Vests made with solid metal bars tend to hike up the torso during many exercise like jumping rope or running. The wearer soon finds the vest has hiked up to his neck and is hitting his chin. 6. You can not do floor exercises such as sit-ups without the bars pressing into you. 7. Lead bars are by their nature toxic and must be handled with care and checked to make sure no lead is leaching out, coated lead can still leach out. Disposing of lead bars can also be difficult. 8. Vest made with solid metal bars must have the bars placed in a locations where you will not bump or press into them. For this reason they can not be positioned uniformly over the body.

Many vests are made with metal shot such as Valeo’s weight vest and many others.

Good things about metal shot.

1. It is cheap. 2. It is less dangerous than metal bars, so long as it is not lead shot.

Bad things about metal shot.

1. Metal shot settles at the bottom of the bags creating lumps in the vest. 2. Metal shot bounces in the bag when you move. The more you move the more the shot moves around, increasing the impact on your knees, shoulders and spine. 3. When you bend, the lumps press into your body and cause localized pressure. Metal shot does not bend with you, it resists your movement. 4. Floor exercises are often painful due to the lumps. 5. The movement of the metal shot also causes the vest to hike up in the same way as the metal bars. 6. The movement of the metal shot in the bag causes the bag to wear out quickly and leak. 7. Never buy vest that uses metal shot made of lead. As the lead moves against itself it creates lead dust, the dust passes through the fabric easily and this dust is very dangerous to you and especially children. See lead poisoning.

We challenge you to find better weights.

If you have any questions please call us between 8:30 and 4:30 Monday through Friday Eastern standard time. 800-630-2779