I used to use a Bell V1 Pro. Had a thick hard shell, rounded edges and the usual foam inner liner with soft foam pads.
"...the first helmet developed specifically for bicycle racing..."
That was the height of bike helmet technology as far as I am concerned.
Everything from there is downhill... especially the microshell technology, and the odd aero helmets with the strange protrusions out the back... that can grab pavement and tourque your neck as you roll and slide down the road.