Arch4

Arch4 designs understated, high-quality knitwear that you’ll reach for often and cherish for years to come. The brand uses only the finest Mongolian-sourced organic cashmere, which is unmatched in softness, lightness and warmth. Shop our selection of sweaters in earthy hues.

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ARCH4
Marisol cashmere cardigan
$510
ARCH4
Caspian cashmere cardigan
$510
ARCH4
Cashmere T-shirt
$390
ARCH4
Clarbeston cotton, silk and cashmere-blend maxi dress
$560
ARCH4
Cordelia crocheted cotton, silk and cashmere-blend maxi dress
$725
ARCH4
Kai cashmere sweater
$425
ARCH4
Octavia cropped striped cashmere polo shirt
$510
ARCH4
Marisol cashmere cardigan
$510
ARCH4
Sunny crocheted cotton sweater
$450
ARCH4
Dorian striped cashmere sweater
$470
ARCH4
Victoria striped cashmere polo shirt
$765
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Elio cashmere cardigan
$510
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Bea cashmere cardigan
$560
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Cashmere and silk-blend wrap
$700
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Ray crocheted cotton straight-leg pants
$490
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Rosanna cashmere cardigan
$960
50% off
$480
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Off-the-shoulder silk and cashmere-blend top
$310
ARCH4
Chiswick cashmere sweater
$500
40% off
$300
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Darya cashmere polo shirt
$450
ARCH4
Islington cashmere sweater
$1,070
NET SUSTAIN
ARCH4
Victoria oversized striped cashmere polo sweater
$765
NET SUSTAIN
ARCH4
Chapman argyle cashmere sweater
$883
50% off
$442
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
New Cami ribbed organic cashmere cardigan
$525
50% off
$263
NET SUSTAIN
ARCH4
Courchevel embroidered argyle cashmere sweater
$1,070
60% off
$428
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Cotton, silk and cashmere mini dress
$450
ARCH4
Queen's Gate organic cashmere cardigan
$595
50% off
$298
NET SUSTAIN
ARCH4
Verona organic cashmere and silk-blend sweater and scarf set
$880
50% off
$440
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Ariana ribbed organic cashmere sweater
$500
40% off
$300
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Nancy ribbed cashmere scarf
$645
60% off
$258
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Estelle cashmere sweater
$940
40% off
$564
NET SUSTAIN
ARCH4
Islington cashmere sweater
$1,070
40% off
$642
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Oversized cashmere and silk-blend sweater
$883
30% off
$619
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Ariana ribbed cashmere turtleneck sweater
$510
50% off
$255
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Mona cashmere wrap
$932
50% off
$466
NET SUSTAIN
ARCH4
Penelopy lace-trimmed ribbed organic cashmere midi skirt
$560
40% off
$336
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
World's End oversized cashmere turtleneck sweater
$960
40% off
$576
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
The Ivy cashmere sweater
$900
40% off
$540
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Cashmere travel set
$289
40% off
$174
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Nancy ribbed cashmere scarf
$645
60% off
$258
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Snowmass Fair Isle cashmere sweater
$1,193
40% off
$716
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Rosanna cashmere cardigan
$938
50% off
$469
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Austria Fair Isle cashmere scarf
$645
60% off
$258
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
World's End oversized cashmere turtleneck sweater
$960
NET SUSTAIN
ARCH4
Sloane embroidered argyle cashmere sweater
$900
30% off
$630
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Bessi cashmere polo sweater
$815
50% off
$408
NET SUSTAIN
ARCH4
Fair Isle cashmere half-zip sweater
$960
30% off
$672
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Sasha belted ribbed cashmere cardigan
$1,182
30% off
$828
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Snowbird cashmere wrap
$510
50% off
$255
NET SUSTAIN
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Janelle cashmere cardigan
$960
40% off
$576
NET SUSTAIN
ARCH4
Lorenz Fair Isle cashmere beanie
$215
60% off
$86
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Clara cashmere beanie
$205
50% off
$103
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Ella ribbed cashmere half-zip sweater and leggings ski set
$1,055
40% off
$633
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Jessie ribbed cashmere gloves
$217
50% off
$109
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Patrizia cable-knit cashmere turtleneck sweater
$772
40% off
$464
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Ribbed cashmere wrist warmers
$210
40% off
$126
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Cable-knit cashmere balaclava
$228
40% off
$137
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Jennifer ribbed organic cashmere polo shirt
$525
40% off
$315
NET SUSTAIN
ARCH4
Rome cropped organic cashmere and silk-blend cardigan
$515
30% off
$361
NET SUSTAIN
ARCH4
Tulip crocheted cashmere cardigan
$675
40% off
$405
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
King's Road organic cashmere sweater
$880
40% off
$528
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Juliann ribbed cashmere gloves
$210
40% off
$126
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Ariana ribbed turtleneck cashmere sweater
$510
40% off
$306
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Monroe off-the-shoulder organic cashmere top
$550
30% off
$385
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Nara ribbed cashmere zip-up cardigan
$938
30% off
$657
EXCLUSIVE
NET SUSTAIN
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Cassie cable-knit silk and organic cashmere-blend tank
$370
30% off
$259
NET SUSTAIN
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Marilyn off-the-shoulder organic cashmere midi dress
$965
50% off
$483
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
+ NET SUSTAIN The Ivy cashmere sweater
$900
50% off
$450
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Foxridge organic cashmere cardigan
$715
40% off
$429
NET SUSTAIN
ARCH4
Bessi cashmere polo sweater
$815
40% off
$489
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Ribbed cashmere wrist warmers
$210
50% off
$105
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Jackson Fair Isle cashmere sweater
$960
40% off
$576
LOW STOCK
NET SUSTAIN
ARCH4
Pimlico cable-knit cashmere cardigan
$850
40% off
$510
LOW STOCK
NET SUSTAIN
ARCH4
Marina cable-knit cashmere sweater
$850
50% off
$425
NET SUSTAIN
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Clara cashmere beanie
$205
50% off
$103
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Selcombe layered two-tone organic cashmere top
$335
30% off
$235
NET SUSTAIN
ARCH4
Juliann ribbed cashmere gloves
$210
40% off
$126
LOW STOCK
NET SUSTAIN
ARCH4
Ezra cashmere bandana
$195
40% off
$117
LOW STOCK
NET SUSTAIN
ARCH4
Jessie ribbed cashmere gloves
$214
50% off
$107
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Sackville cashmere cardigan
$790
50% off
$395
LOW STOCK
NET SUSTAIN
ARCH4
Nillie ribbed organic cashmere midi skirt
$575
60% off
$230
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Organic cashmere sweater
$510
40% off
$306
LOW STOCK
NET SUSTAIN
ARCH4
Skylark ribbed organic cashmere midi dress
$880
30% off
$616
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Sabrina pleated organic cashmere midi skirt
$940
40% off
$564
NET SUSTAIN
ARCH4
Selcombe layered two-tone organic cashmere top
$335
30% off
$235
LOW STOCK
NET SUSTAIN
ARCH4
Eldergrove tie-detailed organic cashmere sweater
$640
30% off
$448
NET SUSTAIN
ARCH4
Janelle cashmere cardigan
$763
40% off
$458
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Lorenz Fair Isle cashmere beanie
$181
40% off
$109
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Selcombe layered two-tone organic cashmere top
$335
30% off
$235
NET SUSTAIN
ARCH4
+ NET SUSTAIN Janelle organic cashmere cardigan
$960
40% off
$576
LOW STOCK
NET SUSTAIN
ARCH4
Janelle cashmere cardigan
$938
40% off
$563
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
+ NET SUSTAIN The Ivy cashmere sweater
$726
50% off
$363
LOW STOCK
NET SUSTAIN
ARCH4
Linda cashmere sweater
$511
60% off
$205
USE CODE FLASH15 AT CHECKOUT
ARCH4
Sloane embroidered argyle cashmere sweater
$711
60% off
$285
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
Iman cashmere-blend bouclé-knit sweater
$949
70% off
$285
USE CODE FLASH15 AT CHECKOUT
NET SUSTAIN
ARCH4
+ NET SUSTAIN World's End cashmere turtleneck sweater
$763
40% off
$458
LOW STOCK
NET SUSTAIN
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