Henri Blue sits between navy and sky blue in tone — warm enough to read as a friendly, accessible blue rather than a formal cool one, vivid enough to be clearly present against the white ground. It has the quality of a colour that has been worn with intention for decades: the blue of Björn Borg's Fila kit, of classic Adidas court shoes, of the French Open in the 1980s. On a white crew sock, the stripe reads exactly as it should — sport-heritage, considered, and slightly better than the obvious choice.

The styling framework is the same as for all Clean Stripes colourways: one statement, everything else quiet. White leather sneakers connect the white sock ground to the shoe; the Henri Blue stripe sits above as the colour detail. Dark denim, a plain white or grey upper, a clean shoe. The locker room lifestyle image captures the register precisely — Henri Blue belongs in the kind of environment where people care about what they wear when they are not trying to look like they care.

Best footwear:

• White leather sneakers — the clean white ground connects to the shoe; the Henri Blue stripe reads above it — see sneaker guide →
• Classic court shoes (Adidas, Onitsuka Tiger, New Balance 574) — the sport-heritage aesthetic is the natural home
• Chunky sneakers — the heavy-rib construction suits more shoe volume
• Tan leather and suede penny loafers — Henri Blue creates a clean cool-warm contrast with warm leather — see loafer guide →

Best trousers: Dark indigo denim · White and off-white chinos · Navy shorts (Henri Blue and navy read as tonal, not matching — a deliberate monochromatic choice) · Cropped cotton trousers · Shorts in summer

How Henri Blue differs from Navy in the Clean Stripes range:
Navy (in the Navy / Black / Forest Green 3-pack) is a darker, cooler blue — the formal classic. Henri Blue is lighter, warmer, and more vivid — the sport-heritage blue. Navy is the convention; Henri Blue is the reference.

How to wear light blue socks — style guide →
What colour socks to wear with white sneakers →

Henri Blue is named in reference to Henri Leconte — the French tennis player who reached world number 5 in the late 1980s and won the Davis Cup for France in 1991. Leconte was as known for his style and personality as for his tennis: flamboyant, expressive, and possessed of a visual flair that made him one of the most watchable players of his era.

The Athletique Classique collection draws on the aesthetic heritage of 1980s European tennis — the era of coloured crew socks, classic court shoes, and the particular kind of considered sport style that has proved more enduring than almost anything else in menswear. Henri Blue is that era's blue: not the official uniform navy, but the brighter, warmer blue of the off-court moment.

• Construction: Athletique Classique Clean Stripes — DS1528
• Colour: Clear White ground · Henri Blue stripe band at cuff
• Composition: 82% organic combed cotton · 15% polyamide · 3% elastane
• Needle count: 200-needle heavy-rib knit — heavier and chunkier than the Fine Rib range
• Toe: Hand-linked — closed by hand, virtually seamless against the foot
• Certification: OEKO-TEX Standard 100 — every component tested, including both the Henri Blue and white dyes
• Length: Crew — mid-calf, holds shape at the upper calf throughout the day
• 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 Henri Blue tone and the white ground
• Wash before first wear
• Air dry — do not tumble dry
• Wash with lights or similar mid-tones — the white ground requires washing away from heavy darks
• Do not bleach or iron

Full sock care guide →

What is Henri Blue exactly — how does it differ from navy?

Henri Blue is a mid, slightly warm blue — brighter and more vivid than navy, warmer than a pure sky blue. Where navy is a dark, cool, formal blue (the foundation colour for suits and dress socks), Henri Blue is a lighter, sportier, more energetic blue with a warm quality. On a white ground, navy reads as classic and restrained; Henri Blue reads as sport-heritage and slightly more present. The choice between them is a choice between convention and reference.

What is the Athletique Classique — how is it different from the Originals Fine Rib?

Two completely different socks for different wardrobe occasions. The Originals Fine Rib (DS1006) is a thin 200-needle dress sock — 75% organic combed cotton, smooth, for dress shoes and formal contexts. The Athletique Classique (DS1528) is a heavier, chunkier crew sock — 82% organic combed cotton in a heavy-rib construction, built to be worn visibly above the shoe. For dress shoes, choose the Fine Rib. For sneakers and visible crew socks, choose the Athletique Classique.

What does "Clean Stripes" mean?

Clean Stripes is the specific stripe pattern in this Athletique Classique line: a Clear White ground with a defined band of coloured stripes at the cuff, using varied stripe widths within the band. Two colours only — white ground, one coloured stripe — kept simple and easy to pair across any outfit.

Can women wear these socks?

Yes — the Athletique Classique is unisex. EU 41–46 fits most men and larger women's sizes. Henri Blue on white is one of the most popular crossover colourways. This colour is also available in EU 36–40 — see the full Athletique Classique collection →

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 →

• 3-pack: Henri Blue + Grass Green + Red Moon — save 7% →
• 6-pack: all Clean Stripes colourways — save 7% →
• Navy 3-pack — the darker blue →
• Full Athletique Classique collection →
• All striped crew socks →
• Fine Rib Palm Spring Blue — casual light blue dress sock →
• Fine Rib Navy — the formal blue dress sock →
• For dress shoes — Originals Fine Rib →