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King-Size Anti-Allergy Mattresses

Our collection of king-size anti-allergy mattresses includes luxury options crafted from naturally breathable materials like lambswool and cotton. Discover our ActiPro covers that provide additional comfort and help promote a clean and healthy sleeping environment. Moisture-wicking technology regulates body temperature during sleep, while memory foam adapts to your posture. Choose from medium to extra firm and enjoy nominated-day delivery

(1 applied)
  • King Size
  • Size with 5 options
  • Firmness Rating with 2 options
  • Brand with 5 options
  • King Size

There are 15 Items found

1000 Pocket Spring Firm Mattress1000 Pocket Spring Firm Mattress
Offer
£349 - £699
Natural Wool

1000 Pocket Spring Firm Mattress

Exclusive to M&S

1250 Pocket Spring Firm Mattress1250 Pocket Spring Firm Mattress
New Lower Price
£399 - £749
Ortho

1250 Pocket Spring Firm Mattress

Previous price: £449 - £799

1050 Pocket Spring Medium Natural Mattress1050 Pocket Spring Medium Natural Mattress
Offer
£399 - £749
Natural

1050 Pocket Spring Medium Natural Mattress

1050 Pocket Spring Medium Pillowtop Mattress1050 Pocket Spring Medium Pillowtop Mattress
Offer
£549 - £899
Pillowtop

1050 Pocket Spring Medium Pillowtop Mattress

1500 Pocket Spring Extra Firm Mattress1500 Pocket Spring Extra Firm Mattress
Offer
£549 - £899
Ortho

1500 Pocket Spring Extra Firm Mattress

1000 Pocket Spring Medium Mattress1000 Pocket Spring Medium Mattress
Offer
£349 - £699
Natural Wool

1000 Pocket Spring Medium Mattress

Exclusive to M&S

1700 Pocket Spring Medium Lambswool Mattress1700 Pocket Spring Medium Lambswool Mattress
Offer
£649 - £999
Pillowtop

1700 Pocket Spring Medium Lambswool Mattress

1500 Pocket Spring Medium Mattress1500 Pocket Spring Medium Mattress
Offer
£449 - £799
Natural Wool

1500 Pocket Spring Medium Mattress

Exclusive to M&S

1500 Pocket Spring Firm Mattress1500 Pocket Spring Firm Mattress
Offer
£449 - £699
Natural Wool

1500 Pocket Spring Firm Mattress

Exclusive to M&S

1500 Spring Cool Gel Medium Pillowtop Mattress1500 Spring Cool Gel Medium Pillowtop Mattress
Offer
£599 - £899
Comfortably Cool Gel

1500 Spring Cool Gel Medium Pillowtop Mattress

1050 Pocket Spring Firm Ortho Mattress1050 Pocket Spring Firm Ortho Mattress
Offer
£599 - £699
Ortho

1050 Pocket Spring Firm Ortho Mattress

Cashmere & Merino 2250 Pocket Spring Medium MattressCashmere & Merino 2250 Pocket Spring Medium Mattress
Offer
£799 - £1149
Pillowtop

Cashmere & Merino 2250 Pocket Spring Medium Mattress

2000 Pocket Spring Firm Mattress2000 Pocket Spring Firm Mattress
Offer
£549 - £899
Natural Wool

2000 Pocket Spring Firm Mattress

Exclusive to M&S

1050 Spring Cool Gel Medium Mattress1050 Spring Cool Gel Medium Mattress
Offer
£549 - £749
Comfortably Cool Gel

1050 Spring Cool Gel Medium Mattress

2000 Pocket Spring Medium Mattress2000 Pocket Spring Medium Mattress
Offer
£549 - £899
Natural Wool

2000 Pocket Spring Medium Mattress

Exclusive to M&S