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The women's Patagonia Nano-Air Light Vest is built from recycled polyester ripstop - a stretchy, breathable, and abrasion-resistant material. The Durable Water Repellent finish, devoid of added PFAS, fends off light moisture. FullRange insulation keeps you warm while allowing excellent air permeability. Enjoy unrestricted movement thanks to the vest's pattern and strategically placed low-profile quilting. It also features a center-front zipper with a chin-friendly zipper garage, zippered handwarmer pockets, and a zippered left-chest pocket. For convenience, it can be self-stuffed into the chest pocket.
Size & Fit Guide
| ALPHA SIZE | XXS | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|---|
| Numeric Size | 00 | 0 -2 | 4 - 6 | 8 - 10 | 12 - 14 | 16 - 18 | 20 - 22 |
| Chest / Bust | 31.5" | 32.5 - 33.5" | 34.5 - 35.5" | 36.5 - 37.5" | 39 - 41" | 43 - 45" | 47 - 49" |
| Waist | 24.5" | 25.5 - 26.5" | 27.5 - 28.5" | 29.5 - 30.55" | 32 - 34" | 38 - 38" | 40 - 42" |
| Hips | 34" | 35 - 36" | 37 - 38" | 39 - 40" | 41.5 - 43.5" | 45 - 47" | 49 - 51" |
Chest is usually the best size predictor. However, if your hip measurement is larger, consider buying the size indicated for your hips.
Chest / Bust — Relax your arms, then measure around the fullest part of your chest and bust.
Waist — Bend slightly to one side to find your natural waist. This will be the crease created from bending. Then, stand erect and measure around your body at the crease points.
Hips — Stand relaxed with feet shoulder-width apart. Now, measure around the fullest part of your hips and seat.

Formfitting
Engineered to hug the body like a second skin with no excess fabric, for an ultra-close fit that moves with you.

Fitted
Contours to the body, emphasizing shape for definition and a sculpted feel.

Slim
Fits close to the body with a slight ease, for a tailored, modern look and athletic performance.

Regular
A standard fit, which follows the natural shape of the body for a classic silhouette that's neither tight nor loose.

Relaxed
Designed for a casual drape off the body and shaped for extra comfort.

Oversized
Dramatic ease for exaggerated volume and flow.