Is the Atom SL warm enough for winter?

No. It is the lightest Atom, meant for cool weather and active use. For cold winter days you need a heavier insulated jacket or a shell over it.

This version has no hood. It is a hoodless jacket, so pair it with a hat or a hooded shell.

How does it compare with the Atom LT?

The SL is lighter and less insulated, with fleece side panels for breathability. The LT is warmer and better for standing around in cold weather.

No. The fabric is not waterproof and only mildly wind-resistant. Wear a waterproof shell over it in wet conditions.

A polyester face fabric with synthetic insulation in the body and fleece side panels that add stretch.

It has a trim, athletic cut with stretch. Size up if you plan to wear it over a thick midlayer.

At Field Theory, for $130.00, 50% under what the other stores charge, as of our latest check.

Rated 4.9 out of 5 from 16 ratings.

12 stores we checked sell it, including Arc'teryx, Field Theory, REI, evo.com, BobsSportsChalet.com.

$130.00at Field TheoryChecked 10 min ago

50% under what the other stores charge

Compared across 13 stores. Prices are checked against each store and labelled with when.