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Founded by Jos and Jorien Wijker in 1998, Amsterdam fashion label Summum is a down-to-earth Dutch brand with international appeal. 

On-trend and timelessly classic designs thoughtfully designed in-house, using high-quality fabrics, with an impeccable eye for detail.

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  • Quick View SUMMUM JACKET LIGHT LUREX JACQUARD STRIPE RIB TRIM WITH ELASTICATED WAIST & CUFFS 1s1261-655 SUMMUM JACKET LIGHT LUREX JACQUARD STRIPE RIB TRIM WITH ELASTICATED WAIST & CUFFS 1s1261-655

    SUMMUM JACKET LUREX JACQUARD STRIPE RIB TRIM ELASTIC WAIST & CUFFS 1s1261-655

    Summum open V, light jacket in lurex jacquard with elasticated hem and cuffs. Features a rib stripe trim and single button closure at waist. Fully Lined. REF: 1s1261-655 COMPOSITION: 37%...
    £169.00
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  • Quick View UMMUM TOP SILKY ORIENT WAVE PRINT WITH SHORT DROP SLEEVE AND DRAPE COWL NECK 2s3358-120 UMMUM TOP SILKY ORIENT WAVE PRINT WITH SHORT DROP SLEEVE AND DRAPE COWL NECK 2s3358-120

    SUMMUM TOP SILKY WAVE PRINT SHORT DROP SLEEVE DRAPE COWL NECK 2s3358-120

    Summum silky top with a drapey cowl neck and a drop short sleeve. Features a soft oriental wave print in green. REF: 2s3358-120 COMPOSITION:100% Viscose CARE: 30 Degree Wash. Hang...
    £109.00
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  • Quick View SUMMUM SHIRT CLASSIC CRISP COTTON PINSTRIPE WITH BUTTERFLY PRINT BACK 2s3347-655 SUMMUM SHIRT CLASSIC CRISP COTTON PINSTRIPE WITH BUTTERFLY PRINT BACK 2s3347-655

    SUMMUM SHIRT CLASSIC CRISP COTTON PINSTRIPE WITH BUTTERFLY PRINT BACK 2s3347-655

    Summum classic button down, cotton shirt with a pinstripe front, shoulder and sleeve. Features a butterfly on white background on back and a double button cuff. REF: 2s3347-655 COMPOSITION: 100%...
    £129.00
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  • Quick View SUMMUM TROUSERS SOFT WIDE LEG JERSEY SCUBA WITH ELASTICATED WAIST 4s2879-655 SUMMUM TROUSERS SOFT WIDE LEG JERSEY SCUBA WITH ELASTICATED WAIST 4s2879-655

    SUMMUM TROUSERS SOFT WIDE LEG JERSEY SCUBA ELASTIC WAIST 4s2879-655

    Summum soft scuba wide leg trouser. Features a center seam, elasticated waist band, vent pockets on front and welt pockets on rear. REF: 4s2879-655 COMPOSITION: 51% Modal, 45% Polyester, 4%...
    £139.00
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  • Quick View SUMMUM TOP BOXFIT JERSEY SCUBA ROUNDED SLEEVE WITH SEAM DETAIL 3s5200-655 SUMMUM TOP BOXFIT JERSEY SCUBA ROUNDED SLEEVE WITH SEAM DETAIL 3s5200-655

    SUMMUM TOP BOXFIT JERSEY SCUBA ROUNDED SLEEVE SEAM DETAIL 3s5200-655

    Summum long sleeve, box fit jersey scuba top. Features rounded, tapered sleeves with stiytch detail. REF: 3s5200-655 COMPOSITION: 51% Modal, 45% Polyester, 4% Elasthane CARE: Hand Wash Cold. Dry Flat....
    £129.00
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  • Quick View SUMMUM TROUSER WIDE LEG FLANNEL HERRINGBONE ELASTICATED WAIST 4s2862-0810 SUMMUM TROUSER WIDE LEG FLANNEL HERRINGBONE ELASTICATED WAIST 4s2862-0810

    SUMMUM TROUSER WIDE LEG FLANNEL HERRINGBONE ELASTIC WAIST 4s2862-0810

    Summum wide leg trouser in herringbone flannel. Features a wide elasticated waistband and vent pockets on front. REF: 4s2862-0810 COMPOSITION: 45% Polyester, 30% Cotton, 25% Viscose CARE: 30 Degree Wash....
    £139.00
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  • Quick View SUMMUM TOP BOXFIT FOAM SCUBA ROUNDED SLEEVE WITH SEAM DETAIL 3s5160-860 SUMMUM TOP BOXFIT FOAM SCUBA ROUNDED SLEEVE WITH SEAM DETAIL 3s5160-860

    SUMMUM TOP BOXFIT FOAM SCUBA ROUNDED SLEEVE PLEAT DETAIL 3s5160-860

    Summum long sleeve, box fit scuba top. Features rounded, tapered sleeves with pleat detail. REF: 3s5160-860 COMPOSITION: 70% Polyester, 30% Viscose CARE: 30 Degree Wash. Hang To Dry. Low Iron....
    £119.00
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  • Quick View SUMMUM SWEATER WITH GOLD TRIM PEARL BUTTONS ON SLEEVE 7s7927-809 SUMMUM SWEATER WITH GOLD TRIM PEARL BUTTONS ON SLEEVE 7s7927-809

    SUMMUM SWEATER WITH GOLD TRIM PEARL BUTTONS ON SLEEVE 7s7927-809

    Summum V neck wool mix sweater with a ribbed hem. Features pearl and gold trim buttons on sleeves and side slits. REF: 7s7927-809 COMPOSITION: 68% Acrylic, 12% Polyester. 11% Polyamide,...
    £129.00
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  • Quick View SUMMUM SWEATER ALPACA MIX ROUND NECK BOUCLE BOX FIT 3/4 SLEEVE 7s7925-70030 SUMMUM SWEATER ALPACA MIX ROUND NECK BOUCLE BOX FIT 3/4 SLEEVE 7s7925-70030

    SUMMUM SWEATER ALPACA MIX ROUND NECK BOUCLE BOX FIT 3/4 SLEEVE 7s7925-70030

    Summum soft Alpaca mix, boucle box fit sweater with a 3/4 sleeve and round neck. REF: 7s7925-70030 COMPOSITION: 85% Alpaca, 15% Polyamide CARE: Hand Wash Cold. Dry Flat. Low Iron....
    £179.00
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  • Quick View SUMMUM TROUSERS SLIM FIT TAPERED SOFT GABERDINE STRETCH WITH POPPERS 4s2879-655 SUMMUM TROUSERS SLIM FIT TAPERED SOFT GABERDINE STRETCH WITH POPPERS 4s2879-655

    SUMMUM TROUSERS TAPERED SOFT GABERDINE STRETCH WITH POPPERS 4s2859-655

    Summum soft, tapered stretch trouser with popper and pocket detail. Features vent pockets with stitch detail with double popper on front and popper flap pockets on rear. Zip and button...
    £139.00
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  • Quick View SUMMUM SWEATER WOOL MIX DEEP RIB V NECK BATWING BODICE 7s7925-706 SUMMUM SWEATER WOOL MIX DEEP RIB V NECK BATWING BODICE 7s7925-706

    SUMMUM SWEATER WOOL MIX DEEP RIB V NECK BATWING BODICE 7s7926-722

    Summum wool mix sweater with a deep rib V, deep rib forearm and a batwing bodice. REF: 7s7926-722 COMPOSITION: 55% Wool, 45% Cotton CARE: Hand Wash Cold. Dry Flat. Low...
    £159.00
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  • Quick View SUMMUM TROUSER TAPERED SOFT SCUBA PINSTRIPE ELASTICATED TIE WAIST 4s2854-30716 SUMMUM TROUSER TAPERED SOFT SCUBA PINSTRIPE ELASTICATED TIE WAIST 4s2854-30716

    SUMMUM TROUSER TAPERED SOFT SCUBA PINSTRIPE ELASTICATED TIE WAIST 4s2854-30716

    Summum tapered, soft scuba pinstripe trouser with elasticated waist and drawstring. REF: 4s2854-30716 COMPOSITION: 50% Modal, 44% Polyester, 6% Elasthane CARE: 30 Degree Wash, Hang To Dry, Low Iron Please...
    £129.00
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  • Quick View SUMMUM TOP SILKY CIRCLE PRINT PLEAT SLEEVE WITH SMOCK CUFFS 2s3341-12263 SUMMUM TOP SILKY CIRCLE PRINT PLEAT SLEEVE WITH SMOCK CUFFS 2s3341-12263

    SUMMUM TOP SILKY CIRCLE PRINT PLEAT SLEEVE WITH SMOCK CUFFS 2s3341-12263

    Summum silk feel top with a dotted circular print. Features a V neck and pleat sleeve from just above the elbow and a smock cuffs. REF: 2s3341-12263 COMPOSITION: 100% Viscose...
    £129.00
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  • Quick View SUMMUM TROUSER TAPERED STRETCH TWILL POCKET DETAIL 4s2852-12194 SUMMUM TROUSER TAPERED STRETCH TWILL POCKET DETAIL 4s2852-12194

    SUMMUM TROUSER TAPERED SOFT STRETCH TWILL POCKET DETAIL 4s2852-12194

    Summum soft stretch tapered twill trouser. Features open, asymetric vent pockets at front and welt pockets with buttons on rear.  REF: 4s2852-12194 COMPOSITION: 97% Cotton, 3% Elasthane CARE: 30 Degree...
    £149.00
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  • Quick View SUMMUM JEAN TAPERED STRETCH BROKEN TWILL STITCH DETAIL 4s2740-490 SUMMUM JEAN TAPERED STRETCH BROKEN TWILL STITCH DETAIL 4s2740-490

    SUMMUM JEAN TAPERED STRETCH FINE TWILL STITCH DETAIL 4s2740-490

    Summum jean in a stretch broken twill. Features a subtle barrel leg with patch pockets with buttons on front and plain back pockets. Stitch detail above knee. REF: 4s2740-490 COMPOSITION:...
    £149.00
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  • Quick View SUMMUM TROUSER UTILITY STUD TRIM AND CARGO POCKETS S4S2707 SUMMUM TROUSER UTILITY STUD TRIM AND CARGO POCKETS S4S2707
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    SUMMUM TROUSER UTILITY STUD TRIM AND CARGO POCKETS 4S2707

    Summum cargo trouser with stud detail on front pocket, cargo pockets and ankle tab. REF: 4S2707 COMPOSITION: 57% Tencel, 40% Cotton, 3% Elasthane CARE: 30 Degree Wash. Hang To Dry....
    £136.00
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  • Quick View SUMMUM JACKET REVERSIBLE AZTEC GEO & STRIPE ETHNIC PRINT PLAKET 1S1176-12206 SUMMUM JACKET REVERSIBLE AZTEC GEO & STRIPE ETHNIC PRINT PLAKET 1S1176-12206

    SUMMUM JACKET REVERSIBLE AZTEC GEO & STRIPE ETHNIC PRINT PLAKET 1S1176-12206

    Summum fully reversible kimono in geometric Aztec printed heavy cotton. Features a contrast ethnic tape plaket and lurex stripe reverse with mini silver lurex stripe. Box fit with wide sleeve....
    £149.00
    £89.00
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  • Quick View SUMMUM TOP MAO COLLAR PINSTRIPE AND FLOWER WIDE SLEEVE 2S3249 SUMMUM TOP MAO COLLAR PINSTRIPE AND FLOWER WIDE SLEEVE 2S3249
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    SUMMUM TOP MAO COLLAR PINSTRIPE AND FLOWER WIDE SLEEVE 2S3249

    Summum button down Mao neck top with wide sleeves. Features a contrast pinstripe and flower print.  REF: 2S3249 COMPOSITION: 95% Cotton, 5% Elasthane CARE: 30 Degree Wash. Hang to Dry....
    £119.00
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  • Quick View SUMMUM JEAN FINE TWILL SEAM DETAIL TAPERED 4S2740 SUMMUM JEAN FINE TWILL SEAM DETAIL TAPERED 4S2740

    SUMMUM JEAN FINE TWILL SEAM DETAIL TAPERED 4s2740-453

    Summum soft jean with a tapered leg and seam detail.  REF: 4as2740-453 COMPOSITION: 68% Cotton, 30% Polyester. 2% Elasthane CARE: 30 Degree Wash. Hang To Dry. Do Not Tumble Dry....
    £119.00
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  • Quick View SUMMUM JEAN TWILL WIDE LEG FRAYED WAISTBAND AND HEM 4S2679 SUMMUM JEAN TWILL WIDE LEG FRAYED WAISTBAND AND HEM 4S2679

    SUMMUM JEAN TWILL WIDE LEG FRAYED WAISTBAND AND HEM 4S2679

    Summum wide leg jean in soft fine twill. Features a mock double pleat and frayed waistband and hem. REF: 4S2679 COMPOSITION: 95% Cotton, 5% Polyester CARE: 30 Degree Wash. Hang...
    £135.00
    £68.00
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  • Quick View SUMMUM JUMPSUIT DENIM SHORT SLEEVE TIE BELT 4S2555 SUMMUM JUMPSUIT DENIM SHORT SLEEVE TIE BELT 4S2555

    SUMMUM JUMPSUIT DENIM SHORT SLEEVE TIE BELT 4S2555

    Summum denim zip down jumpsuit with a tie belt. Features short sleeves with buttons and multim pockets. REF: 4S2555 COMPOSITION: 98% Cotton, 2% Elasthane CARE: 30 Degree Wash. Hang To...
    £179.00
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  1. Autumn/Winter 2025
  2. Aztec Geo Print Kimono
  3. Boucle Sweater
  4. Cotton Shirt
  5. Denim
  6. Herringbone Flannel Trouser
  7. Jersey Scuba Top
  8. Jumpsuit
  9. Lurex Jacqaurd Jacket
  10. Mid Wash Jean
  11. Modal Wide Leg Trouser
  12. New Arrival
  13. Reversible Jacket
  14. SALE Summer
  15. Scuba Pinstripe Trouser
  16. Scuba Top
  17. Silky Print Top
  18. Spring Summer 2025
  19. Spring/Summer 2025
  20. Stretch Lyocell Trouser
  21. Stretch Tapered Twill Jean
  22. Stretch Twill Tapered Trouser
  23. Stripe and Floral Print Top
  24. Summum
  25. Sweater 4 Button on Sleeve
  26. Trouser Lyocell Utility
  27. Wide Leg Jeans
  28. Wool Mix Sweater
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