Fabric
Wool
Deccani and Rajasthani flocks, plus imported merino
Impact score
56/ 100
Moderate
A blended indicator of water, carbon, chemical load, durability and recyclability.
Measured impact per kg of fibre
Water footprint6,000 L / kg
Carbon footprint24 kg CO₂e / kg
Process energy63 MJ / kg
Microfibre sheddingLow shedding
BiodegradableYes
Durability20 years typical wear
Recyclability55 / 100
Data confidence
highHigh confidence — multiple peer-reviewed or industry datasets agree
Sources: IWTO LCA 2022 · Higg MSI 2023
Figures are cradle-to-gate averages per kilogram of fibre or fabric, not measurements of your specific garment. A typical adult shirt weighs roughly 0.2 kg.
Qualitative ratings
Water useModerate
Carbon footprintHigh
Chemical loadModerate
DurabilityVery high
RecyclabilityModerate
What is it
Protein fibre shorn from sheep, naturally crimped and insulating.
Why it matters
Renewable, biodegradable and long-lived, but enteric methane makes its carbon figure high.
Water Carbon Chemicals End of life
What you can do
Buy second-hand or recycled wool, air between wears instead of washing.