The eSmartr Sleev is the first non-invasive enhancement to supercharging your mind’s natural ability.
63% Polyester 20% Nylon 17% Spandex
Please note that there is a silicone insert on the interior of the sleeve. 
 
The proprietary Cognitive Boost Technology™ (CBT) pattern embedded inside every Sleeve activates receptors in the skin that trigger a neural response in the brain - resulting in scientifically proven amplified cognitive abilities. Discover enhanced concentration and memory, heightened decision making, increased stamina, accelerated reaction times, and an improved sense of clarity and calm.

For best results, use on your dominant arm. Available in both right- and left-handed versions.

Please note that if your size is on the higher end of a size range, it is generally recommended to choose the one size larger. Furthermore, if your size is on the lower end of a size range, it is generally recommended to choose the one size smaller.
 
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