Similar Brands to Fjallraven and Patagonia

Fjallraven

LL Bean Baxter State parka: Known for being durable, warm, and budget-friendly. One user describes it as "bombproof" and "warm as they come."
Arcteryx Nuclei hoodie: A warm jacket meant for stationary activities like belaying. Some users recommend it as a lightweight option.
Arcteryx Expedition: Specifically mentioned as a solid choice for extreme conditions.
Montbell Alpine Down Parka: Recommended as a good value option with quality warmth for its price point.
Montbell Mirage: Another lightweight and packable down option in the Montbell lineup.
Mountain Equipment: Described as a brand with a range of different styles and quality down gear.
Norrøna: Suggested as a rival to Canada Goose with a similar level of quality.
Cascade Designs: Known for top-notch outdoor gear like sleeping pads and waterproof bags.

Patagonia

Marmot: Praised for excellent jackets, with durability and warmth highlighted.
Outdoor Research: Known for high-quality outdoor equipment and durable products.
ecologyst: Offers sustainable and durable options with a lifetime repair program.
Renewable Workshop: Sells repaired or returned items at a discount, promoting sustainability.
United by Blue and Ten Tree: Brands with eco-friendly practices and quality products.
Prana: Recommended for its good quality.
Exped: Popular for outdoor gear like air mattresses.

General Recommendations

Canada Goose Alternatives: Moose Knuckles, Nobis, Mackage are mentioned as alternatives with similar quality and lower prices.
Military Surplus Extreme Cold Weather Primaloft: Suggested as a cost-effective alternative to Canada Goose for extreme cold weather.
Kanuk: A Québécois brand known for excellent coats designed for very cold winters.

Other Comments

North Face warranty: Users praise North Face for its excellent warranty and the option to trade in old items for new ones.
Fur alternatives: A call to avoid fur due to ethical concerns is made, promoting alternatives without fur.
Environmentally-conscious brands: Recommended brands include SmartWool, Exped, and others known for sustainability practices.

This comprehensive summary highlights a variety of brands comparable to Fjallraven and Patagonia, focusing on durability, warmth, sustainability, and value for winter wear.