Down Puffer Jacket

Material Composition Assumptions

A typical down puffer jacket contains several key material components that drive its environmental footprint. The outer shell consists of approximately 120 grams of polyester or nylon taffeta fabric, representing roughly 24% of total material weight. The insulating down fill weighs between 40-60 grams and comprises about 10% of the jacket’s mass, sourced from duck or goose feathers as a byproduct of the poultry industry. Internal lining materials add another 80 grams of lightweight polyester fabric, accounting for 16% of weight.

Sewing thread throughout the garment totals approximately 15 grams but creates disproportionate environmental impact due to manufacturing intensity. Additional components include nylon zippers and metal hardware adding 25 grams, along with durable water repellent chemical treatments applied during finishing processes. The complete jacket typically weighs 500 grams when accounting for all materials and construction elements.

Manufacturing Geography

The majority of down puffer jackets are manufactured in China, which produces approximately 70% of global technical outerwear. Chinese manufacturing facilities benefit from established supply chains for both down sourcing and synthetic fabric production, though they operate on a carbon-intensive electrical grid averaging 555 gCO2/kWh. This grid intensity significantly impacts the Scope 2 emissions from energy-intensive processes like fabric dyeing, down cleaning, and garment assembly.

Manufacturing concentration in China also stems from proximity to major down processing facilities and petrochemical plants producing polyester materials. The integrated supply chain reduces transportation distances between raw material suppliers and final assembly facilities, though the carbon-intensive grid partially offsets these logistical advantages.

Regional Variation

Manufacturing Region	Grid Intensity	Estimated CCI Score	Adjustment vs Default
China	555 gCO2/kWh	28.0 kg CO2e	Baseline
Vietnam	512 gCO2/kWh	26.8 kg CO2e	-4.3%
European Union	255 gCO2/kWh	24.1 kg CO2e	-13.9%
North America	385 gCO2/kWh	25.7 kg CO2e	-8.2%
Bangladesh	625 gCO2/kWh	29.6 kg CO2e	+5.7%

Provenance Override Guidance

1. Submit detailed material composition data including fabric weights, down fill quantities, thread specifications, and hardware materials to replace generic assumptions with product-specific values.

2. Provide manufacturing facility energy data including renewable electricity usage, grid electricity consumption, and on-site fuel combustion for heating and processing operations.

3. Document transportation logistics from raw material suppliers to manufacturing facilities, including down sourcing locations, fabric mill distances, and international shipping methods.

4. Supply down processing methodology details including cleaning energy requirements, chemical treatment specifications, and sorting facility locations to refine insulation impact calculations.

5. Report fabric production specifications including recycled content percentages, dyeing processes, finishing treatments, and upstream polyester or nylon manufacturing data.

Methodology Notes

• The CCI score represents cradle-to-gate emissions including raw material extraction, processing, manufacturing, and transportation to distribution centers, but excludes consumer use phase and end-of-life impacts.

• Scope 3 emissions dominate the footprint at 83% due to carbon-intensive polyester production and complex textile supply chains spanning multiple countries and processing stages.

• The functional unit assumes a standard mid-weight puffer jacket suitable for temperatures between 0-10°C, with 500 grams total weight and 50 grams down fill.

• Manufacturing energy estimates exclude specialized equipment like down sorting machinery and automated cutting systems due to data limitations in textile industry reporting.

• Consumer washing and care impacts are excluded from the CCI score despite contributing to lifetime environmental impact through water consumption and energy use for cleaning.

• Down sourcing assumes byproduct allocation from commercial poultry operations, avoiding direct land use impacts associated with dedicated feather farming operations.