I dont think anything 900fp has ever been in their sale
DNF, I find their sizing to be 'normal'. I'm normally a medium t-shirt and my medium down-vest fits nicely over a base-layer but will also fit fine over a sports hoodie too.
I'm trying to work out if a zipless bag is right for me. I like the idea of saving loads of weight, but am a bit concerned that it might be too warm. At least with a zip I can cool off a bit, and if I was to go for a zip, I'd save myself £50 and get an Alpkit PD400 instead.
The zipless thing has never bothered me, you just pull your arms out if too warm. For UK use even in the summer I suspect you will be fine as it's only 300g of down.
The PHD will pack about 1L smaller and 200gish lighter.
If cash is concern, then in all honesty I would go for the Alpkit as I don't think the PHD is that much of an upgrade. £50 is £50 :!:
Though I've only spent a handful of night in the bivvy bag, so far I've not needed to unzip my current bag - so I've decided to get the zipless Minim and see how it goes. If it's that warm out I guess I don't actually need to be in the bivvy bag. The sale is open already, so we'll see what their delivery is like.