St. John's Bay Windbreaker Jacket | Lightweight Outerwear

★★★★★4.8· loved by thousands

Our windbreaker jacket brings lightweight, packable protection wherever your day takes you. Built with ripstop polyester and a water-repellent finish, it sheds light rain and wind without weighing you down. The hood stows easily when you don't need it, and the elastic cuffs keep gusts out.

100% ripstop polyester shell with DWR water-repellent coatingMesh interior lining for breathabilityPackable design — folds into its own chest pocketAdjustable drawcord hood stows into collar
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St. John's Bay Windbreaker Jacket product image
St. John's Bay Windbreaker Jacket product image
St. John's Bay Windbreaker Jacket product image
St. John's Bay Windbreaker Jacket product image
St. John's Bay Windbreaker Jacket product image
St. John's Bay Windbreaker Jacket product image
1
100% ripstop polyester shell with DWR water-repellent coating
Designed to hold up to real daily wear.
2
Mesh interior lining for breathability
Designed to hold up to real daily wear.
3
Packable design — folds into its own chest pocket
Designed to hold up to real daily wear.
4
Adjustable drawcord hood stows into collar
Designed to hold up to real daily wear.
Why it works
Fabric and weather resistance

The St. John's Bay windbreaker jacket uses a tightly woven ripstop polyester that resists tearing and holds its shape through seasons of wear. We treat the fabric with a durable water-repellent finish that beads up light rain and drizzle. It won't replace a full rain shell in a downpour, but for everyday weather uncertainty it gives you enough coverage to stay dry on short walks.

Fabric and weather resistance
Fit and sizing guidance
The details

Fit and sizing guidance

We cut this windbreaker with a regular fit that leaves room for a long-sleeve shirt or thin fleece underneath. The elastic cuffs and adjustable hem let you dial in the coverage without excess fabric flapping in the wind. Sleeves measure true to size, and the shoulder seams sit where you expect them.

Layering recommendations

Most customers find their usual size works perfectly. If you routinely layer heavy sweaters or hoodies, consider sizing up one increment for unrestricted movement. The jacket’s length hits at the hip, offering core coverage without riding up when you reach or bend. The hood adjusts with a single rear drawcord and tucks completely into the collar when you want a clean neckline.

Packable portability
The details

Packable portability

The jacket packs into its own left chest pocket, compressing down to roughly the size of a softball. A snap loop on the stuffed bundle clips to a carabiner or bag strap so it doesn’t get lost at the bottom of your pack. We use lightweight materials throughout — total weight is 9.2 ounces in size large — making it one of the easiest layers to carry as insurance against changing conditions.

Unpacking takes seconds: pull the jacket out, shake it once, and the wrinkles relax within minutes of wear. The ripstop fabric springs back to shape without looking crumpled, so you’re not walking around in a rumpled shell all day. The same construction methods refined in the St. John’s Bay puffer jacket translate to this lighter-weight piece, giving you consistent quality across our outerwear lineup.

The specs

Windbreaker specs at a glance

100% ripstop polyester shell with DWR water-repellent coatingYes
Mesh interior lining for breathabilityYes
Packable design — folds into its own chest pocketYes
Adjustable drawcord hood stows into collarYes
Elastic cuffs and hem to seal out draftsYes
Two zippered hand pockets plus interior stash pocketYes

Complete the look

More weather-ready outerwear from St. John's Bay


Customer reviews

Customer reviews

4.8
★★★★★
Verified reviews
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★★★★★
Perfect backup layer for travel
I keep this in my carry-on year-round. It's saved me on chilly flights and unexpected weather in three different countries. The packed size is incredible — I forget it's even in my bag until I need it.
M
Michael T.
Verified buyer
★★★★★
Great for morning walks
I walk the dog every morning before sunrise, and this jacket handles the cool air and occasional sprinkle without making me overheat. The pockets hold my phone and keys securely, and I love that the hood tucks away.
L
Linda K.
Verified buyer
★★★★☆
Solid value and comfortable fit
The fit is true to size, and the fabric feels durable without being stiff. I've worn it hiking, running errands, and on weekend camping trips. It's not a heavy-duty rain coat, but it handles light showers just fine.
J
James R.
Verified buyer
★★★★★
Lightweight but surprisingly warm
I was shocked at how much warmth this provides considering how light it is. The wind protection really makes a difference on breezy days. I sized up to fit a hoodie underneath and it works perfectly.
R
Rachel P.
Verified buyer
★★★★★
Easy care and looks great
I've washed this a dozen times and it still looks new. The color hasn't faded, the zippers work smoothly, and the water still beads up. For the price, I honestly expected it to wear out faster.
D
Daniel W.
Verified buyer
★★★★☆
Perfect for unpredictable spring weather
Spring in the mountains means you need layers you can shed quickly. This windbreaker packs down small enough that I don't mind carrying it all day, and it dries fast if I get caught in a light rain.
S
Sarah M.
Verified buyer

Good to know

Common questions about the St. John's Bay windbreaker

The windbreaker features a durable water-repellent finish that sheds light rain and drizzle effectively. It will keep you dry during brief showers and misty conditions, but it’s not fully waterproof like a seam-sealed rain shell. For extended downpours, we recommend pairing it with a waterproof outer layer or choosing our dedicated rain jacket.

Yes, the jacket packs into its own left chest pocket and compresses to about the size of a softball. A snap loop on the packed bundle lets you clip it to a carabiner or backpack strap. The ripstop fabric resists wrinkling, so it looks presentable within minutes of unpacking and wearing.

Most customers find their usual size works well for layering over a tee or long-sleeve shirt. If you plan to wear thick sweaters or hoodies underneath, sizing up one increment gives you more room without compromising the fit. The elastic cuffs and adjustable hem accommodate either approach.

The hood includes a rear drawcord adjuster that cinches snugly around your head. In moderate wind it stays put without issue. For very gusty conditions, tucking the hood into the collar gives you a cleaner profile and eliminates any flapping.

After about 15 to 20 washes, the DWR coating may lose effectiveness. Place the clean, dry jacket in the dryer on medium heat for 20 minutes to reactivate the treatment. If heat alone doesn’t restore beading, apply a spray-on DWR product following the manufacturer’s instructions.

The jacket works well in temperatures from the low 40s°F to mid-60s°F, depending on your layering and activity level. It provides excellent wind protection and light insulation, making it ideal for cool mornings, breezy evenings, and unpredictable spring or fall weather. For colder conditions, layer it over fleece or under a heavier insulated coat.

Yes, both hand pockets feature YKK zippers and measure approximately 7 inches deep, easily accommodating most smartphones, keys, and a slim wallet. The interior chest pocket holds a passport or small notebook securely. All pockets zip closed to prevent items from falling out during active movement.

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