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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.

Sleep Number c1 smart bed with light grey tufted headboard
Sleep Number c1 mattress
  • $699
4.6 rating stars(605) reviews
Sleep Number c2 mattress with a vertical panel headboard
Sleep Number c2 mattress
  • $799.20
  • 20% OFF$999
4.7 rating stars(24657) reviews
Sleep Number c4 mattress with a vertical panel headboard
Twin XL size unavailable
Sleep Number c4 mattress
4.7 rating stars(23499) reviews
Sleep Number p5 mattress with a Split Channel headboard
Sleep Number p5 mattress
  • $1,839.20
  • 20% OFF$2,299
4.7 rating stars(23974) reviews
Sleep Number p6 mattress with a Split Channel headboard
Twin XL size unavailable
Sleep Number p6 mattress
4.7 rating stars(20715) reviews
Sleep Number pSE mattress
  • $2,499
4.7 rating stars(11369) reviews
Sleep Number m7 mattress with a horizontal panel headboard
Twin XL size unavailable
Sleep Number m7 mattress
4.7 rating stars(7395) reviews
Sleep Number i8 mattress with a Split Channel headboard
Sleep Number i8 mattress
  • $2,839.20
  • 20% OFF$3,549
4.8 rating stars(66895) reviews
Sleep Number i10 mattress with a white horizontal panel headboard
Twin XL size unavailable
Sleep Number i10 mattress
4.8 rating stars(22059) reviews
Sleep Number iLE mattress
  • $4,899
4.8 rating stars(37270) reviews
Twin XL size unavailable
Sleep Number ClimateCool™ smart bed
4.8 rating stars(604) reviews
Sleep Number Climate 360 smart bed with adjustable firmness and temperature control
Twin XL size unavailable
Sleep Number Climate360® smart bed
Includes Smart Adjustable Base
4.7 rating stars(5144) reviews