With fall’s blustery weather bringing down the mercury, it’s time to suit up with an extra layer to help you transition from balmy summer to frigid winter. Here, six eco-savvy men’s jackets to help you stay snug as a bug without compromising your values or aesthetics.

Turk + Taylor Raw Denim Jacket

SHEER JEAN-IUS

Made in San Francisco, Turk + Taylor’s button-down French military-style jacket comprises dead-stock domestic cotton denim and hemp/organic cotton trim. A pair of zippered pockets flank both sides, while hidden snaps at the cuffs and pockets keep the silhouette streamlined and tidy.

+ Navy Raw Denim Jacket $160

+ Turk + Taylor

Loopt Kawasan Jacket, eco-friendly jacket, eco-friendly coat, eco-friendly mens jacket, eco-friendly fall jacket, upcycled jacket

HERE WE GO AGAIN

Derived from 61 percent organic cotton and 39 percent reclaimed cotton canvas, the Kawasan from Looptworks provides the right amount of coverage for fall. The slim, unlined jacket boasts hidden side-seam pockets made of reinforced mesh, along with close-fitting sleeves and a chameleon-like appearance that can look completely casual or semi-formal, depending on what you pair it with.

+ Kawasan Jacket $125

+ Looptworks

Loomstate Santa Paula Jacket, eco-friendly jacket, eco-friendly coat, eco-friendly mens jacket, eco-friendly fall jacket, organic cotton jacket

TAKE IT OR SLEEVE IT

With removable sleeves that zip on and off, this multi-seasonal offering from Loomstate converts from a jacket to a vest and back again. Made from organic cotton and nylon, the Santa Paula is lightly padded with polyfill and embellished with whitewashed metal snaps.

+ Santa Paula Jacket $361

+ Loomstate

Patagonia Shipwright Jacket, eco-friendly jacket, eco-friendly coat, eco-friendly mens jacket, eco-friendly fall jacket, recycled jacket

SHIP SHAPE

You don’t have to work in a shipyard to appreciate the draft-dodging finesse of Patagonia’s Shipwright. Made from 100 percent organic cotton and lined with 90 percent recycled polyester insulation, this jacket is recyclable through the company’s Common Threads Recycling Program.

+ Shipwright Jacket $175

+ Patagonia

Nau Riding Jacket, eco-friendly jacket, eco-friendly coat, eco-friendly mens jacket, eco-friendly fall jacket, recycled jacket

SMOOTH RIDER

Nau’s Riding Jacket is a modern riff on the blazer-style jacket. Composed entirely of 100 percent recycled polyester, this jacket has true presence and just enough eccentricity to make you stand out in a crowd. Plus, the fabric is wind- and water-resistant, which makes it perfect for those cool (and damp) fall nights.

+ Riding Jacket $200

+Nau

Mottainai Harbinger Jacket, eco-friendly jacket, eco-friendly coat, eco-friendly mens jacket, eco-friendly fall jacket

THINGS TO COME

Mottainai, a Brooklyn-based sustainable menswear line whose name loosely translates to “what a waste” in Japanese, has a hunting jacket that it makes locally from organic cotton denim. Lined with viscose (made from recycled wood chips), the Harbinger is lean, clean, and fuss- and muss-free, with hidden pockets for stowing away your keys and billfold.

+ Harbinger Jacket $229 (To order, call 917-574-9000)

+ Mottainai