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In the heart of arch4's ethos lies a dedication to the extraordinary. Our cashmere, with its unparalleled fineness of 15 microns, offers a tactile sensation akin to silk, underscoring our commitment to supreme quality and sensory delight.

The Quintessence of Sophistication: Each piece in our collection is a harmonious blend of refined softness, feather-light warmth, and delicate finesse.

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Size
Colour
Availability
Twin Set Vest Alessandra - Flannel Grey Twin Set Vest Alessandra - Flannel Grey
Twin Set Vest Alessandra - Flannel Grey

Twin Set Vest Alessandra - Flannel Grey

£225.00
Selected colour: FLANNEL GREY
Selected size: XS
Edith Grove - Mahogany Edith Grove - Mahogany
Edith Grove - Mahogany

Edith Grove - Mahogany

£595.00
Selected colour: Mahogany
Selected size: XS
Twin Set Cardigan & Vest - Ivory Twin Set Cardigan & Vest - Ivory
Twin Set Cardigan & Vest - Ivory

Twin Set Cardigan & Vest - Ivory

£570.00
Selected colour: Ivory
Selected size: XS
Elizabeth - Stripes Elizabeth - Stripes On sale
Elizabeth - Stripes

Elizabeth - Stripes

£595.00 £416.50
Selected colour: Ivory/Charcoal stripes
Selected size: S
Elizabeth - Stripes £595.00 £416.50
Janelle - Charcoal Janelle - Charcoal
Janelle - Charcoal

Janelle - Charcoal

£625.00
Selected colour: Charcoal
Selected size: S
Mr Bolton - Sage Green Mr Bolton - Sage Green
Mr Bolton - Sage Green

Mr Bolton - Sage Green

£430.00
Selected colour: Sage Green
Selected size: L
Mr Paddington - Storm Quartz Mr Paddington - Storm Quartz
Mr Paddington - Storm Quartz

Mr Paddington - Storm Quartz

£650.00
Selected colour: Storm Quartz
Selected size: S
Mr Fenchurch Half Zip - Granite Marl Mr Fenchurch Half Zip - Granite Marl
Mr Fenchurch Half Zip - Granite Marl

Mr Fenchurch Half Zip - Granite Marl

£540.00
Selected colour: Granite Marl
Selected size: S
Oyster - Sky Blue New
Oyster - Sky Blue

Oyster - Sky Blue

£460.00
Selected colour: Sky Blue
Selected size: XS
Bonnie - Fawn Bonnie - Fawn
Bonnie - Fawn

Bonnie - Fawn

£595.00
Selected colour: Fawn
Selected size: XS
Andrea - Storm Quartz Andrea - Storm Quartz
Andrea - Storm Quartz

Andrea - Storm Quartz

£565.00
Selected colour: Storm Quartz
Selected size: S
Dolores - Mink Dolores - Mink On sale
Dolores - Mink

Dolores - Mink

£295.00 £206.50
Selected colour: Mink
Selected size: XS
Dolores - Mink £295.00 £206.50
Tito - Navy Tito - Navy
Tito - Navy

Tito - Navy

£595.00
Selected colour: Navy
Selected size: XS
Tito - Navy £595.00
Whistler - Ivory & Grey Whistler - Ivory & Grey
Whistler - Ivory & Grey

Whistler - Ivory & Grey

£625.00
Selected colour: Ivory & Grey
Selected size: XS
Newquay Full Zip - Navy Newquay Full Zip - Navy
Newquay Full Zip - Navy

Newquay Full Zip - Navy

£595.00
Selected colour: Navy
Selected size: M
Mr World's End Jumper - Navy Mr World's End Jumper - Navy
Mr World's End Jumper - Navy

Mr World's End Jumper - Navy

£650.00
Selected colour: Navy
Selected size: S
Mr Southbank Vest - Ebony Mr Southbank Vest - Ebony
Mr Southbank Vest - Ebony

Mr Southbank Vest - Ebony

£425.00
Selected colour: Ebony
Selected size: M
Mr Battersea Jumper - Gravity Grey Mr Battersea Jumper - Gravity Grey
Mr Battersea Jumper - Gravity Grey

Mr Battersea Jumper - Gravity Grey

£595.00
Selected colour: Gravity Grey
Selected size: S
Canterbury - Ivory Canterbury - Ivory
Canterbury - Ivory

Canterbury - Ivory

£425.00
Selected colour: Ivory
Selected size: XS
Oxford - Black Oxford - Black
Oxford - Black

Oxford - Black

Colour: Black
£485.00
Selected color: Black
Selected size: M
Twin Set Vest Alessandra - Ivory Twin Set Vest Alessandra - Ivory
Twin Set Vest Alessandra - Ivory

Twin Set Vest Alessandra - Ivory

£225.00
Selected colour: IVORY
Selected size: L
Twin Set Cardigan Nappa - Ivory Twin Set Cardigan Nappa - Ivory
Twin Set Cardigan Nappa - Ivory

Twin Set Cardigan Nappa - Ivory

£375.00
Selected colour: IVORY
Selected size: XS