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Twin XL Size Mattresses

Explore our adjustable Twin XL mattresses, a great choice for couples. Our Twin XL-sized mattresses let you choose your ideal firmness on each side with generous space for both of you.

ComfortMode™ Mattress
  • $1,199
5.0 rating stars(1) reviews
Twin XL size unavailable
c4 mattress
4.7 rating stars(21843) reviews
Sleep Number p5 mattress with a Split Channel headboard
p5 mattress
  • $1,609.30
  • 30% OFF$2,299
4.7 rating stars(22581) reviews
Sleep Number p6 mattress with a Split Channel headboard
Twin XL size unavailable
p6 mattress
4.7 rating stars(19590) reviews
Sleep Number i8 mattress with a Split Channel headboard
i8 mattress
  • $2,129.40
  • 40% OFF$3,549
4.8 rating stars(64300) reviews
Sleep Number i10 mattress with a white horizontal panel headboard
Twin XL size unavailable
i10 mattress
4.8 rating stars(20863) reviews
Sleep Number ClimateCool Smart Bed
Twin XL size unavailable
ClimateCool® smart bed
4.7 rating stars(650) reviews
Sleep Number Climate 360 smart bed with adjustable firmness and temperature control
Twin XL size unavailable
Climate360® smart bed
Includes Smart Adjustable Base
4.7 rating stars(5189) reviews