Appears well made
"Have not tested it hiking/traveling yet, but it appears solidly made. Harvest is a nice brown mustard color. Fabric has some stretch. S fit well on 5'5" 128 lb 32D frame with plenty of length."
Get the inside scoop on your favorite collections, product launches, and exclusive offers, delivered right to your inbox.
Get the inside scoop on your favorite collections, product launches, and exclusive offers, delivered right to your inbox.

Making clothing can be a dirty business, but we strive to keep it clean. Our line is crafted for quality and long-term performance. And we limit what we make: small-batch production ensures every garment is built to the highest standards and finds a loving home. Our approach minimizes landfill waste and uses less energy and water. We know it’s disappointing when a style you love is out of stock, but we appreciate your joining us in our pursuit of the highest environmental standards and carbon neutral impact.
The same great fit as your favorite Shak Jacket, now with a quarter zip.
These are last-chance colors—stock up before they’re gone for good. Looking for something fresh? Explore our new colors here.
The same great fit as your favorite Shak Jacket, now with a quarter zip.
These are last-chance colors—stock up before they’re gone for good. Looking for something fresh? Explore our new colors here.
Classic design and clean lines.
For improved range of motion and all day comfort.
For extra warmth and wind protection.
| Size | Size # | Bust | Waist | Hip | Sleeve | Inseam |
| XS | 0 | 33 | 24 ½ - 5 ½ | 34 ½ | 29 | 29 - 30 |
| S | 2 - 4 | 34 - 35 | 26 ½ - 27 ½ | 36 ½ - 37 ½ | 30 - 31 | 30 - 31 |
| M | 4 - 6 | 36 - 37 | 28 ½ - 29 ½ | 38 ½ - 39 ½ | 31 - 31 ½ | 31 ½ |
| L | 8 - 10 | 38 ½ - 40 | 31 - 32 ½ | 41 - 42 ½ | 32 - 32 ½ | 31 ½ |
| XL | 12 - 14 | 40 - 42 | 33 - 34 ½ | 43 - 44 ½ | 33 - 33 ½ | 32 ½ |
| XXL | 14 - 16 | 44 - 46 | 34 ½ - 36 | 44 ½ - 46 | 33 ½ | 32 ½ |
Next to Skin: Your second layer of skin, hugs the body tight for optimal layering.
Athletic: Snug fit, this layer fits close to the body for a contoured, slim silhouette.
Standard: Not too snug and not too loose, this layer is right in the middle for everyday use.
Relaxed: Loose fit for comfort and extra layering underneath.
Sleeve: With arm slightly bent, measure from the center back of your neck (at your spine) to the elbow and down to your wrist.
Bust/Chest: Measure full circumference of the chest at the widest point, under the arms.
Waist: Measure full circumference of the waist at the smallest point.
Hips: Measure full circumference of the hips at the widest point.
Inseam: Place measuring tape at crotch and measure to ankle.
For any sizing, styling, or general inquiries, please contact us.
Composition: 100% Merino Wool
Weight(s): 300 - 375 gsm
Micron gauge: 19.5μm
Part mid layer, part outer layer, our Ponti is 100% merino wool, double-knit for incredible insulation. The interlocking structure monopolizes on merino’s natural elasticity, allowing it to move with you while skinning up the north side of the mountain or reaching for that final arête. Merino Ponti is our fabric of choice for the Shak collection, named for the iconic Antarctic explorer Sir Ernest Shackleton. It’s ready for any and every expedition you find yourself on.
Overall rating: 4.5 / 5 from 4 reviews.
Review topics: [].
"Have not tested it hiking/traveling yet, but it appears solidly made. Harvest is a nice brown mustard color. Fabric has some stretch. S fit well on 5'5" 128 lb 32D frame with plenty of length."
— Anna H. (5/5)
"Wearing it right now! Put it on this morning for a cool morning walk and left it on all day. Could wear it to sleep it's so soft and comfy. Terrific fit. Good sleeve and torso length. I have broad shoulders and this had plenty of room without looking baggy. A new favorite!"
— Melissa H. (5/5)
"This quarter zip is so soft and comfie. It’s perfect for lounging around the house, layering under a shell or keeping warm in a cold office. I do think it fits a little smaller than my Shak jacket, but my jacket is from a couple seasons ago, so the fit may have changed since then."
— Caryn B. (5/5)
"I was hoping to get the same Shak that I had seen years ago and was sad to see the thumb hole was dispensed with. The fabric wasn't as sturdy either."
— Mildred C. (3/5)