Designing a navigation header for fashion website

Start by creating a file of header size. Fill background with a solid color.

Create a rectangle using rectangular shape tool.

Enable add to shape area from the top bar. Create an ellipse using elliptical shape tool. We'll name this layer "Base Shape".
Create a vertical thin rectangle using rectangular shape tool.
Press Ctrl+J and Ctrl+T. Move a few pixels right. Now keep pressing Ctrl+J and Ctrl+Shift+T several times to create the design as shown.
Select and merge thin rectangular layers. Change the layer mode to overlay.
Ctrl+Click the "Base Shape" layer thumbnail to get the selection. Press Ctrl+Shift+I to invert the selection. Press delete.

Reduce opacity to 20%.
Using custom shape tool create a square frame shape .

Press Ctrl+T. Right Click and select Warp. Select arc form the preset warp shapes. Apply settings as shown.

 

Duplicate the layer. Press Ctrl+T. Right click and select Flip Vertical and place as shown.
Similarly create as many buttons as you want.
Type link names over the button shape.
Right click the text layer and select warp text. Apply settings as shown.
Similarly type button link over the next button. Change bend value to negative value.
Insert some relevant product cutouts in crests and troughs.
Create a big square frame shape. Rotate it 45°.
Change the layer mode to overlay and reduce opacity.
Duplicate twice, scale down and place as shown.
Insert a model image or company mascot.
Insert company logo on bottom right.