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Stay warm and dry with Patagonia's Women's Insulated Boulder Fork Rain Jacket, featuring 3-layer H2No waterproof protection and Thermogreen insulation.
The Patagonia Women's Insulated Boulder Fork Rain Jacket combines lightweight synthetic warmth with stormproof weather protection for cold, wet outdoor conditions. Built with a 3-layer shell meeting Patagonia's H2No Performance Standard, it blocks driving rain and wind while maintaining breathability. Inside, 40-gram Thermogreen 100% recycled polyester insulation provides low-profile warmth without adding bulk. Complete with a single-pull hood, watertight zippers, and functional pockets, this insulated rain jacket delivers reliable weather protection for hikes, early-season fishing, and daily commutes.
| Fit | Regular fit |
|---|---|
| Weight | 19.4 oz (550 g) |
| Shell Fabric | 3-layer, 3.7-oz 30-denier 100% recycled polyester ripstop face, polyester membrane, recycled polyester tricot backer |
| Insulation | 40g Thermogreen 100% recycled polyester |
| Lining Fabric | 1.6-oz 30-denier 100% recycled polyester air-permeable stretch shadow ripstop with a DWR finish |
| Waterproofing | H2No Performance Standard 3-layer shell, PFAS-free DWR finish |
| Care Instructions | Machine wash cold, do not bleach, tumble dry low, cool iron, do not steam, do not use fabric softeners |
| Size | Numeric Size | Chest | Waist | Hip |
|---|---|---|---|---|
| XXS | 00 | 31.5 in | 24.5 in | 34 in |
| XS | 0 | 32.5 in | 25.5 in | 35 in |
| 2 | 33.5 in | 26.5 in | 36 in | |
| S | 4 | 34.5 in | 27.5 in | 37 in |
| 6 | 35.5 in | 28.5 in | 38 in | |
| M | 8 | 36.5 in | 29.5 in | 39 in |
| 10 | 37.5 in | 30.5 in | 40 in | |
| L | 12 | 39 in | 32 in | 41.5 in |
| 14 | 41 in | 34 in | 43.25 in | |
| XL | 16 | 43 in | 36 in | 45 in |
| 18 | 45 in | 38 in | 47 in | |
| XXL | 20 | 47 in | 40 in | 49 in |
| 22 | 49 in | 42 in | 51 in |
With elbow bent, measure from the center (back) of neck to elbow and down to wrist.
Stand relaxed with feet shoulder-width apart. Now, measure around the fullest part of your hips and seat.
Relax your arms, then measure around the fullest part of your chest/bust.
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.
| Size | Numeric Size | Waist | Hips* |
|---|---|---|---|
| XXS | 00 | 24.5 in | 34 in |
| XS | 0 | 25.5 in | 35 in |
| 2 | 26.5 in | 36 in | |
| S | 4 | 27.5 in | 37 in |
| 6 | 28.5 in | 38 in | |
| M | 8 | 29.5 in | 39 in |
| 10 | 30.5 in | 40 in | |
| L | 12 | 32 in | 41.5 in |
| 14 | 34 in | 43.5 in | |
| XL | 16 | 36 in | 45 in |
| 18 | 38 in | 47 in | |
| XXL | 20 | 40 in | 49 in |
| 22 | 42 in | 51 in |
* Hips are usually the best size predictor, but if your waist measurement is larger, consider buying the size indicated by your waist.
Stand relaxed with feet shoulder-width apart. Now, measure around the fullest part of your hips and seat.
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.
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