Lightweight, slightly heavier than competition - however potentially better designed and engineered.
The SilverAnt (the mug here) is clearly competing with Snowpeak 600 (Japan made), so having used both -- I am going to compare them and let you decide which to get. They are both at the same price point ($42), the same size (~20oz of liquid / 600ml), and clearly designed with the same target audience in mind - the ultra lightweight hiking/backpacking/camping community. The main difference is that the SilverAnt comes with a lid, and a very VERY good one at that. When I first read about the 3 pin holes for draining water, I thought it was "gimmicky", but I have to say, the lid has truly impressed me. There is just such a perfectly engineered fit/click from it, that you actually *can* drain the water if needed through the holes. They are just big enough to vent, and yet not big enough to "cool" the water/impact boiling. The SilverAnt (here) weights 3.77oz on per their spec. I weighted it at 3.35 oz without the lid, and 4.20 oz with the lid. (see pictures) The Snowpeak with the HotLips is only 3oz. Almost everything is identical on these cups. The mug cleans very quickly and well. It's perfect for boiling water/rehydrating food (open flame, stove, etc -- no problems), and it can be used to heat+eat your meals right out of it (suggest the titanium spork as a perfect tool for both eating, removing the hot lid, etc). The only thing that "turned me off" a bit is that the SilverAnt claims a LifeTime guarantee on their post here, and the manual said said it comes with a 3 month warranty. (see picture). If they can clear this up/sort it out, this is definitely a 5/5 hiking mug.