![EFX Performance Sport Wristband made of 100% Pure Silicone w/2 Programmed Holograms for Increased Balance, Strength & Flexibility | See Chart for Sizing - Black / Black](http://efxusa.com/cdn/shop/products/final_4_{width}x.png?v=1550605967)
![EFX Performance Sport Wristband made of 100% Pure Silicone w/2 Programmed Holograms for Increased Balance, Strength & Flexibility | See Chart for Sizing - Black / Black](http://efxusa.com/cdn/shop/files/2EFXHowtoMeasuregraphic_1_1800x1800_6e88d197-ffba-4e75-bb1a-12121fbb648d_{width}x.png?v=1708113048)
![EFX Performance Sport Wristband made of 100% Pure Silicone w/2 Programmed Holograms for Increased Balance, Strength & Flexibility | See Chart for Sizing - Black / Black](http://efxusa.com/cdn/shop/files/StocktonFBAd2wband18enero2024_1800x1800_40d6f71a-a778-4548-8e16-3e60f11c71df_{width}x.png?v=1708113165)
![EFX Performance Sport Wristband made of 100% Pure Silicone w/2 Programmed Holograms for Increased Balance, Strength & Flexibility | See Chart for Sizing - Black / Black](http://efxusa.com/cdn/shop/files/fb-benefits-01_1800x1800_88963d9a-e94e-4d17-bcfc-1b34dcb877d3_{width}x.png?v=1708113200)
![EFX Performance Sport Wristband made of 100% Pure Silicone w/2 Programmed Holograms for Increased Balance, Strength & Flexibility | See Chart for Sizing - Black / Black](http://efxusa.com/cdn/shop/files/EFXAROUNDTHELEAGUE1500X1500FORLISTINGS_1800x1800_b345f9db-edfb-4296-88a6-41db13dfafac_{width}x.jpg?v=1708113242)
![EFX Performance Sport Wristband made of 100% Pure Silicone w/2 Programmed Holograms for Increased Balance, Strength & Flexibility | See Chart for Sizing - Black / Black](http://efxusa.com/cdn/shop/files/6SENIORSREPORTAMAZONLISTINGFOTO_1800x1800_ef79e21b-4339-4b43-916c-11e56aff9a30_{width}x.jpg?v=1708113284)
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About this item:
- COMMON SIZING - Most children wear Smalls; Women mostly Mediums (some Large); Men mostly Large (some Mediums). IMPORTANT - See SIZE CHART.
- EFX’s HOLOGRAMS. We “PROGRAM" our Holograms with frequencies. We believe you synchronize with those frequencies when they are within 1/2” of your body. Users report better balance, strength and flexibility.
- EFX's PERFORMANCE WRISTBANDS appeal to consumers of all ages; Athletes, Fitness Enthusiasts & Seniors.
- EFX WORKS and our users report benefits in balance, strength, flexibility, and possibly vertigo and seasickness.
- WE REALLY WANT YOU TO BE SATISFIED, SO PLEASE watch our videos.