JMT Down Pullover – Multi week lead time – Next order window mid/late Sept, 2026
The quintessential 85g down fill summer puffy
The JMT Pulloverย is our lightest insulated shell. Designed for summer layering in the mountains, it’s named after the classic John Muir Trail in the Sierra
Features
The JMT is a hooded/ non-hooded pullover with a deep, ventingย ยฝ zipper.ย Deselect for 19g savings (M) over chart values
Optional roomy Kangaroo hand-warmer pocket, Alpha Direct insulated to save bulk and weight.ย Deselect for 15g savings (M) over chart values
The hood casing and waist hem have fully adjustableย shockcords
The sleeve endsย have no elastic, but comes with thumb loops
Warmth
With base layers mostย users shouldย have static comfort at about 5ยฐC
The insulation represents over 50% of the total weight
Designed loft isย 4.5cm, real life loft varies but is always less
A sewn-thru design will increase its insulating properties if used under a lightweight wind shell, trapping additional air in the baffle depressions
Utility
This is not an ‘Active Insulation’ layer.ย Using while wearing a pack willย trap perspiration, quickly flattening the down
Design
10d fabrics. More durable options available on menu
900 fill power goose down with Alpha Direct in select areas
Sewn thru non-box baffled construction allow efficient use of small amounts of down
Non-separating zipper prolong the life of the garment while making it easier to handle in strong winds
Sizing
The pullover is based on the pattern from the long gone Apex JMT, ie same fit: Roomy enough for light layering
Best custom options
The summer conditions in theย Sierra and Colorado Rockies this puffy is aimed for are not cold enough to mess with a hood and kangaroo pocket – both can be deselected in the options table below
The screen shot below shows an approximation of the product options that will become live on order day:






