I tried the plastic helmet thing...don't like the way they fit, always pinching. Mine had the full ear protection attached and I find them too hot even in the winter. I ditched it and bought an aluminium logger helmet.
For ear protection at HD or Lowes they sell ear plugs on a hard plastic hoop:
Radians RB1150 Rad Hearing Band-23180044 at The Home Depot
I have 8-10 pairs of these, bough most on sale. I keep a pair on the tractor, wheeler, saw bag, range bag, truck, sawmill, shop, etc etc. No strings to tangle up, no nerf plugs to get lost & when you not using them they stay around your neck. I've been using them for 15 years or so and have only broken two pair.
I'd get the longer chaps, some mechanic's type gloves(big heavy gloves suck for sawing) & steel toe ankle coverage boots & your good to go. Unfortunately you will soon see the need for a second saw because it will happen...bar pinch..then your dead in the water. Look around here in the For Sale section for a small limbing saw or browse your local pawn shops. A 170 or 180(if your a Stihl guy) will be fine as a back-up.