TechGearLab

For those living in warmer climates, the HyperX Wrist Rest would be a great choice. When first placing your wrists on this model, it feels like the cool underside of your pillow that you flipped over in the middle of the night. It took much longer to heat up than any of the other models that we tested. We appreciated the symmetrical design that provided equal comfort for our palms/wrists. While there may not be a plastic bumper covering the seams of the fabric, it is wrapped around a stiff plank and stitched in on itself, which keeps it from fraying easily.
The covering is soft and comfortable but also very stretchy. When going from mouse to keyboard or to and from the number pad, the fabric tends to bunch up and would get uncomfortable resting our wrists on the folds. Over the long haul, we believe that this will form creases and cause the covering to stretch and become looser than it already is &mdash; potentially compounding the problem. The pad doesn't sit at an angle and is on the wider side, putting a little more pressure on our wrists than we would have liked. All in all, the HyperX Keyboard Rest is an exceptional keyboard rest for most people.

tom's Hardware

Why not pair the best gaming keyboard with the best wrist rest, and improve the experience with amplified comfort? Most keyboards come with hard, unpleasant wrist rests &mdash; if they come with one at all. If you're looking to give your typing experience a boost, the HyperX Wrist Rest is our favorite in this category.
With the smoothness of cooling gel wrapped around a core of memory foam, HyperX's wrist rest offers the perfect balance between softness and support. It has a subtle but stylish design featuring a black cover with bright red stitching and a nearly invisible HyperX logo. This will upgrade your typing experience no matter which keyboard you have.
Read: HyperX Wrist Rest hands-on (opens in new tab)

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The Kensington ErgoSoft Mouse Wrist Rest is our top pick for a firm mouse rest. Its gel-cushioned padding keeps its shape over time, giving you continued support. The leatherette-like covering is easy to wipe clean and dries out quickly. Not to mention, the underside is a non-skid rubber that keeps the mouse rest in place while typing away or simply browsing the web. 
We found that this model is comfortable with a standard or low-profile mouse but didn't work as well with vertical or oversized mice. The leatherette-like covering is soft and comfortable to the touch, but it doesn't breathe well and gets sweaty fairly quickly. Moreover, this model doesn't offer top-notch seam protection. The covering is glued to a hard rubber bottom &mdash; which has a leg up when compared to a cover glued to foam &mdash; but still has the potential to get nicked and begin peeling away. Regardless of these minor shortcomings, we were able to comfortably use the Kensington ErgoSoft day after day and highly recommend this for anyone looking for a firm mouse rest.

Budget Pick

The Razer Ergonomic Wrist Rest earned very high ranks on our comfort scale, thanks to its angled profile. A plastic frame holds together the leatherette covering, serving as its bumper. This gives protection to prevent fraying against continuous bumps to the keyboard, bracelets, watches, etc. 
The leatherette covering on the Razer might not be the best choice for anyone in hot climates, as it isn't very breathable. In cool and warm climates alike, we found it wasn't too long till our wrists would start to sweat and stick to the pad. This discomfort could have been mitigated if the inside material incorporated a cooling gel. Some of our judges didn't like that you could feel the hard plastic underneath since the padding isn't super thick. Despite these shortcomings, this offering from Razer still comes highly recommended by our test team. 

The Razer Ergonomic Wrist Rest earned very high ranks on our comfort scale, thanks to its angled profile. A plastic frame holds together the leatherette covering, serving as its bumper. This gives protection to prevent fraying against continuous bumps to the keyboard, bracelets, watches, etc. 
The leatherette covering on the Razer isn't the most breathable, so it may not be the best choice for individuals in hot climates. In both cool and warm climates, it wasn't long until our wrists started to sweat and stick to the pad. We feel that incorporating a cooling gel inside the material could mitigate this discomfort. Some of our judges didn't like that you could feel the hard plastic underneath since the padding isn't super thick. Despite these shortcomings, our test team still highly recommends this offering from Razer. 

Wrist Rest Comparison