The Dawn 1.0 Performance Pillow is SLEEP TESTED for stomach sleepers or small body types. DawnÕs flexible foundation and personal performance size allows you to comfortably sleep with your arm beneath your pillow. The unique dual chamber construction of the Circadian Series features a Boost¨ foam crown and Boost foam blend which ensures weightless pressure relief that wonÕt bottom out, creating the perfect pillow for soft support with no rebound. The Ver-Tex¨ 6.0 climate control fabric provides a cool to touch feeling and continuous heat deflection, regulating your body temperature for a cooler nights rest. The Air-X¨ ventilated panels increase airflow and feature a filter fabric which prevents allergens and dander from entering the pillow core. Ver-Tex¨ cool touch fabric is ideal for medium to hot sleepers. Dual construction design offers 2 choices of comfort: Responsive & soft Boost¨ blend on one side with a crown layer on the other for maximum support and cushion. Well-suited to individuals who sleep with their arm beneath the pillow. Ventilated Air-X¨ panel enables air flow through the pillow, shifting away excess heat so you sleep more comfortably. Personal performance size: 20" x 26" Made in the USA of US and imported parts.