Calvarium is transversely cut to show the interior structures of the skull

very light weight

bicep curls and lateral raises for the upper body or basic rotational exercises and crunches to improve core strength

(Inches) 0-6 7-9

providing the perfect balance of flexibility and compression

Standard Shaped Large Memory Foam Pillow Kettlebell Calvarium is transversely cut toSuperior Comfort & Support Our unique slow release memory foam molds to the exact shape of your head and neck providing maximum support whilst allowing you to move freely. Memory foam pillows mold to the head and neck providing exceptional support and comfort. The Medium Firm feel of this Memory Foam Pillow encourages consistent and constant support to the delicate head and neck areas, throughout the night. Features: Washable removable cover Fill: