Description
Warmth Should Not Anchor You. The best jacket in the world is useless if it is hanging in a closet when the temperature drops. The Cumulus is designed to solve this paradox — an 800-fill-power down jacket that compresses into its own pocket, weighs less than a paperback novel, and lives in your daypack, your carry-on, or your glove compartment. It is not the jacket you plan to wear. It is the jacket that is there when the plan changes.
We constructed The Cumulus around a simple insight: ultralight does not have to mean ultrabasic. The quilted baffle pattern is engineered to distribute down evenly across the torso while creating a silhouette that reads as intentional, not merely functional. The stand collar seals against wind without restricting neck movement. Elastic-bound cuffs and an adjustable hem drawcord create a customizable microclimate — trap heat when you need it, vent when you don't. Available in thirteen colors, The Cumulus refuses the false choice between warmth and aesthetic coherence.
The outer shell is a 20-denier ripstop nylon treated with a DWR (durable water repellent) finish that sheds light rain and snow without wetting out. Inside, the responsibly-sourced down insulation achieves an 800-fill-power rating — meaning maximum loft for minimum weight. The result is a jacket that compresses to the size of a water bottle yet deploys enough warmth to handle a 40°F evening in the mountains, a chilly spring morning in the city, or the aggressive air conditioning of a long-haul flight. The Cumulus is not a replacement for your expedition parka. It is the jacket you actually bring.
Pack light. Stay warm. Look like you planned it that way.
Key Features
- ✦ 800-fill-power responsibly-sourced down insulation — exceptional warmth-to-weight ratio, compresses to travel size
- ✦ Packs into its own internal pocket — transforms into a compact bundle smaller than a 1L water bottle for effortless carry
- ✦ 20-denier ripstop nylon shell with DWR finish — wind-resistant, water-repellent, and abrasion-tolerant for daily wear
- ✦ Engineered quilted baffle pattern — prevents down migration and cold spots while creating a flattering fitted silhouette
- ✦ Stand collar with chin guard — seals in warmth without chafing; layers cleanly under a shell or over a midlayer
- ✦ Elastic-bound cuffs and adjustable drawcord hem — customizable fit that blocks drafts or vents heat on demand
- ✦ Two zippered hand pockets + internal stash pocket — secure storage for phone, keys, and the jacket's own stuff sack
Technical Specifications
- Insulation: 800-fill-power down (RDS certified)
- Shell Fabric: 20D ripstop nylon with DWR coating
- Lining: 20D nylon taffeta, breathable
- Closure: Full-length YKK front zipper with interior storm flap
- Pockets: 2 zippered hand pockets, 1 internal stash/pack pocket
- Collar Style: Stand collar with soft chin guard
- Cuffs: Elastic-bound, non-restrictive
- Hem: Adjustable drawcord with cord locks
- Packability: Packs into internal pocket; packed size approx. 20×15×10 cm
- Weight: Approx. 280g (size medium)
Application Scenarios
The Cumulus is built for the woman whose life moves between environments faster than her wardrobe can keep up. Travelers rely on it as the single insulation piece in a carry-on capsule — it disappears into a daypack during airport transit and emerges for drafty train compartments and unheated European cafés. Hikers and backpackers value it as a camp layer: deploy it when you stop moving, compress it when you start again, and never feel the weight penalty on the trail. Urban commuters tuck it into a work tote for the unpredictable transition from heated office to cold evening walk — it layers cleanly under a wool coat or over a cashmere sweater without bulk. Festival-goers and outdoor concert attendees appreciate the packability and the thirteen-color palette that coordinates with any outfit. From the shoulder-season trail to the long-haul flight to the weekend farmers' market, The Cumulus is the jacket that earns its place in your bag by being the one you forget is there — until you need it.
Frequently Asked Questions
Q: What temperature range is this jacket suitable for?
A: As a standalone piece, The Cumulus is comfortable down to approximately 40°F (4°C) with a light base layer. Layered under a shell or heavier coat, it extends the comfort range to 20°F (-6°C) or below. The 800-fill-power down provides outstanding insulation for the weight — much warmer than synthetic-fill jackets of comparable thickness. As with all down jackets, performance depends on activity level, wind conditions, and personal cold tolerance.
Q: How small does it actually pack down?
A: The Cumulus packs into its own interior pocket, which doubles as a stuff sack. Packed dimensions are approximately 20×15×10 cm (8×6×4 inches) — roughly the size of a 1-liter water bottle or a large grapefruit. It weighs approximately 280g (under 10 ounces), making it one of the lightest insulated jackets in its class.
Q: Is this jacket water-resistant or waterproof?
A: The Cumulus features a DWR (durable water repellent) finish that causes light rain and snow to bead and roll off the surface. It is water-resistant, not waterproof — it will handle a light drizzle or brief snowfall, but sustained heavy rain will eventually wet out the shell. For wet conditions, we recommend layering with a waterproof shell. The DWR finish can be reactivated with a brief tumble dry on low heat after washing.
Q: How does the sizing run? Is it true to size?
A: The Cumulus runs true to size with a slightly tailored fit — not boxy, but not skin-tight either. The baffle construction creates a flattering silhouette without sacrificing down loft. If you plan to layer thick sweaters underneath, consider sizing up. Refer to the size chart for detailed measurements. The elastic cuffs and adjustable hem allow you to fine-tune the fit regardless of your build.
Q: How should I care for and wash this jacket?
A: Machine wash cold on a gentle cycle with a down-specific detergent (standard detergents can strip the natural oils from down). Tumble dry on low heat with 2-3 clean tennis balls or dryer balls — this breaks up down clumps and restores full loft. Do not bleach, iron, or dry clean. The DWR finish can be refreshed after multiple washes with a spray-on or wash-in DWR treatment available at outdoor retailers. With proper care, The Cumulus will maintain its loft and warmth for years of regular use.
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