Go beyond one size fits all and find a mattress that’s made for your unique sleep preferences. The Helix Twilight is our firm model recommended for side sleepers and people who toss and turn at night. Twilight is considered an 8-9 on the firmness scale with 10 being the firmest. Choose between a light Breathe Knit cover for exceptional comfort or an airflowGlacioTex™ Cooling Pillow Top powered by ultimate cooling tech instantly draws heat away.

Features:

• Carefully selected foam comfort layers to match your sleep needs and preferences 
  Lengthwise (2 sided) edge support for structural reinforcement
• Hundreds of individually wrapped steel coils
• Manufacturer's Limited Lifetime Warranty