Benzin is a dark, blue-shifted teal — it has the depth of navy, the green character of forest green, and a teal dimension that neither of them possesses. In strong light it reads closer to a dark teal-green; in shadow it shifts toward a deep blue-green. This chameleon quality is what gives it its appeal — it is never the same colour twice, and it never looks like anything else in the range or in a competitor's collection.

In practice, benzin functions as a sophisticated dark neutral in formal and smart casual contexts. It works with the same trouser palette as navy — charcoal suits, grey flannel, dark denim — while providing something more unexpected and considered than the obvious choice. Against black shoes the formality is clear. Against brown leather the green in the benzin creates a complementary warm-cool pairing that is quietly brilliant. It is the sock for the man who already has navy and wants the next level up.

Best footwear:

• Black leather Oxford, Derby, and monk straps — dark formal, works the same way as navy in a suit context — see boots guide →
• Dark brown leather loafers and Oxfords — the green dimension creates a quietly considered pairing — see loafer guide →
• Dark Chelsea boots in black or dark brown
• White leather sneakers — benzin reads as a dark, unusual accent against white — see sneaker guide →
• Tan suede shoes — warm-cool complementary pairing

Best trousers: Charcoal grey suit trousers · Dark grey flannel · Navy trousers (tonal depth, less obvious than navy socks) · Dark denim · Black trousers

Dress codes:

Best socks for boots — Chelsea, Chukka, Derby →
Organic cotton socks buyer's guide 2026 →

• Composition: 75% organic combed cotton · 23% polyamide · 2% elastane
• Needle count: 200-needle fine-rib knit — approximately twice the density of standard mass-market socks
• Toe: Hand-linked — closed by hand, virtually seamless against the foot
• Certification: OEKO-TEX Standard 100 — every component tested, including the benzin dye
• Length: Mid-calf / traditional crew shaft
• Finish: Pre-washed and steamed — comfortable from the first wear
• Sizes: EU 41–46 — size guide →
• Origin: Designed in Copenhagen, Est. 2011 · Crafted in Istanbul
• Sustainability: Our sustainability practices →

• Wash inside out at 30°C / 86°F — preserves the depth and blue-green quality of the benzin tone
• Wash before first wear
• Air dry — do not tumble dry
• Wash with other dark colours — not with lights or brights
• Do not bleach or iron

Full sock care guide →

What colour is Benzin exactly — is it teal, navy, or green?

None of the above, and all three simultaneously. Benzin is named after the Scandinavian word for petrol — the dark, blue-shifted teal-green of liquid fuel. It has the depth of navy, the green character of forest green, and a teal dimension that neither colour possesses. In strong light it reads as a dark teal-green; in lower light it shifts toward deep blue-green. It is a colour that does not belong cleanly to any single family, and that ambiguity is precisely its appeal — it reads as considered and unusual in a way that any single-category dark colour cannot.

What is the difference between Benzin and Navy?

Navy is a cool, dark blue — the foundational formal neutral that reads as unambiguously blue. Benzin is a dark teal-blue-green — it occupies a more unusual tonal position with a green dimension that navy entirely lacks. In formal contexts they perform similar functions, but benzin provides something that experienced dressers find more interesting than the standard choice. Think of it as the navy upgrade for someone who already has navy covered and wants the next level of sock sophistication.

What is the difference between Benzin and Forest Green?

Forest green is a warm, deep green — clearly in the green family, with earthy warmth that pairs naturally with brown leather. Benzin is darker and strongly blue-shifted — it reads as a cool dark teal rather than a warm green, which makes it functional in navy-adjacent formal contexts where forest green would feel out of place. Forest green belongs to the earthy, brown leather wardrobe; benzin belongs to the dark formal wardrobe alongside charcoal suits and black shoes.

Can Benzin be worn with a formal suit?

Yes — benzin is one of the few colour-adjacent choices that works in genuinely formal contexts. Its depth and dark quality mean it performs the same tonal function as navy against a charcoal or dark grey suit, while providing something more unexpected. Against a navy suit it creates a sophisticated tonal variation — the blue-green of benzin against the blue of the suit reads as deliberate colour consideration rather than a basic match. In black-tie or very formal settings, black or navy remains the convention, but for business formal and smart formal, benzin works with distinction.

Are these socks organic and certified?

Yes. Made from 75% organic combed cotton, 23% polyamide, and 2% elastane. The cotton is certified organic, grown without synthetic pesticides or fertilisers. The finished sock carries OEKO-TEX Standard 100 certification, confirming every component — including the benzin dye — has been independently tested and verified free of harmful substances.

Can I buy these as part of a multipack?

Yes — purchasing 10 or more products unlocks a 15% discount. Benzin pairs naturally with navy, black, and forest green for a complete dark formal and smart casual rotation that covers every suit colour and dress code without repetition. It also appears in the 7-pack lighter colours edition →. See all curated multipacks →

Do you ship internationally?

Yes — worldwide, with free shipping above 75€ / 75£ / 100 USD / 400 DKK. 99.2% of orders ship the same day. Full shipping information →

• All solid colour socks →
• Full Originals range →
• The formal blue — Navy →
• The warm dark green — Forest Green →
• The essential foundation — Black →
• Dark grey — Soft Charcoal →
• Cool wine-red accent — Bordeaux →
• 7-pack lighter colours edition (includes Benzin) →
• Chunkier sock for sneakers? Athletique Classique →
• Curated multipacks →