The honest version first: if your wrists do not hurt and your keyboard is low, you do not need a wrist rest. It is a comfort object, not a medical device, and it is usually sold as though the second thing were true.
The part that is usually wrong
Most people rest their wrists on the pad while typing. That is the failure mode. Parking the wrist anchors it, so the fingers stretch to reach keys instead of the hand moving over them, and the wrist bends upward to compensate. A bent, planted wrist under load is the position you were trying to avoid.
A wrist rest is for the pauses. Hands float while typing and land between sentences.
When one genuinely helps
- Your keyboard is tall. Most mechanical boards are 30-40 mm at the front edge. That height forces the wrist to bend up to clear it, and a rest brings the hand back to level.
- Your desk edge is sharp. A hard edge under the forearm is a real pressure point, and this fixes it cheaply.
- You already have symptoms. Then a rest helps - but so does raising your chair, and only one of those is free.
Height is the only spec that matters
The rest should be roughly as tall as the front edge of your keyboard, so the hand runs level from forearm to keys. Too tall and you have bent the wrist the other way, which is not an improvement. Choosing between two, pick the one closer to your keyboard's front height, not the softer one.
What we stock
The reversible leather set comes as two pieces, one for the keyboard and one beside the mouse, with a different colour on each face. The cloud rest is the softer one, with a non-slip base and a matching mouse pad.
Both sit at the low end of the height range, which suits the 65% board and most boards that size. Against a tall gaming keyboard, measure first.