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arch4

A London-based label known for its sustainable, GOTS-certified cashmere and minimalist, architectural knitwear design.

ORIGIN

United Kingdom

PRICE TIER

luxury

Arch4 is a London-based brand that redefines modern knitwear through a lens of sustainability and quiet luxury. Founded in 2017, the label specializes in crafting garments from the finest, responsibly sourced cashmere, with a focus on traceable, GOTS-certified fibers from Inner Mongolia. The brand’s design philosophy balances a minimal, slightly masculine structure with an effortless, refined sensibility. Core pieces include timeless sweaters, cardigans, and trousers that prioritize texture and enduring style over fleeting trends.

Featured Items

Women's Sloane Baby Goat Cashmere Robe | Size: L

Women's Sloane Baby Goat Cashmere Robe | Size: L

$940.00

Chapman Baby Goat Cashmere Long-Sleeved Polo Top | Size: L

Chapman Baby Goat Cashmere Long-Sleeved Polo Top | Size: L

$355.00

high-neck wool sweater

high-neck wool sweater

$670.00$1,073.00

Women's Nightingale Baby Goat Cashmere Long-Sleeved Polo Top | Size: M

Women's Nightingale Baby Goat Cashmere Long-Sleeved Polo Top | Size: M

$355.00

Mr Poole wool and cashmere cardigan

Mr Poole wool and cashmere cardigan

$950.00

Hayden knitted cashmere barrel-leg pants

Hayden knitted cashmere barrel-leg pants

$845.00

Bene Baby Goat Cashmere Crew-Neck Sweater | Size: M

Bene Baby Goat Cashmere Crew-Neck Sweater | Size: M

$355.00

Women's Sloane Baby Goat Cashmere Robe | Size: L

Women's Sloane Baby Goat Cashmere Robe | Size: L

$940.00