Im a big believer in layering.
Winter ill have two or three layers
Summer I usually wear T shirt and Coat or gillet
With trousers and boots before I hurt someones eyes with a picture that will burn their retina's
I have two jackets I stalk in, one is a Laksen Sika, (green) the other a jacket by a canadian company called Seals Action Gear
The jacket
https://www.sealsactiongear.com/catalog/store/comersus_viewItem.asp?idProduct=772
Is just a shell, but it keeps rain and wind off and is incredible value for what it is, mine is 6 years old now with no damage or wear.
I use it a lot.
I tend to wear my Arcteryx lightweight gillet, jacket's or fleece's under the Seals jacket and ive never been too cold or too warm or wet.
The Leaf products are expensive unless you qualify for their discount scheme (I do)
I standby that its the best kit you can get if your after one product, which is how I interpreted the OP's initial posting.
Hardly the outfit of a weekend sniper,,,who is more likely to wear OD green issued combats, DPM jacket and boots....unable to walk more than a few feet from their vehicle to firing point and happy to tell all of tales of daring do, when he was in "the regiment"
You'll also probably find the weekend snipe is a member of the Artist's RC too,,,,,,serving forces, police or £50 and "your in" mate.....
Having a bad day,,,this is said with tongue in cheek