Can the 6mm cut-out band stay on at the beach and the gym?

Yes. The band is stainless steel, which does not rust, so salt air and sweat are fine. Wipe it now and then so the edge of the cut keeps catching the light.

Which finish of the cut-out ring suits dark knitwear?

Black, a plated finish that suits dark knits and a jacket for an evening out. Gold-tone warms up navy and earth colors, and silver is the plain steel.

Which size if I am between two?

Go up one. A 6mm band covers more of the finger than a thin ring, so the larger size slides over the knuckle more easily and still sits flat.

What does the cut-out look like up close?

One angular cut runs across the 6mm face and wraps around the outer edge, splitting the band into a two-part look. It catches the light along its edge, while from across a table the ring reads as a plain band.

Can I stack the 6mm cut-out band with another ring?

Yes. Wear it as the only ring on that hand, or next to a plain narrow band for a little more weight.

It is a solid, standard thickness. At 2mm the band feels substantial on the finger yet sits flat, so it slides under a shirt cuff without catching.

Is it a good first ring for a man who never wears jewelry?

Yes. From a distance it looks like a plain 6mm band, so it does not draw attention, and stainless steel can stay on through the gym and the shower. The cut adds interest only up close.

How is a cut-out band different from a plain band?

A plain band shows one unbroken surface. Here a single geometric cut divides the face, so the ring has an edge that catches light and a two-part look from every angle, with the comfort of a regular 6mm band.