both work very very well, the 3 finger i have used in -5 for a 15 mile ride, and they did the job.
i now have a pair of sheltex Limit gloves for milder weather, never leaked, and fairly warm down to about 5 degrees, then i switch over to my 5 finger Pathans- which so far are proving superb.
the Pathan range have 70grm of Thinsulte in them as well as a waterproof membrane, i dont see many come back leaking…
its does get to a point where not much will help, bar heated grips and bar muffs.
if your doing some distance you cannot beat bar muff+ heated grips combo.
Plus another for the Spada Enforcer WP. You will be hard pressed to find anything else this good for the money.
I have 2 pairs, one with crushed down insulation which are spring/autumn gloves and the second are nearly new as winter gloves. I kind of look after my riding gear so both get the water proofing treatment when I remember. Well worth the money and small effort.