Sierra Sleep Basic California King Mattress Protector

The Sierra Sleep Basic Protector is a simple, breathable layer of defense for a California King mattress, built to guard against spills, stains, and everyday wear without changing the way the mattress feels. It is made with moisture wicking bamboo fabric that stays cool and smooth to the touch, so a protected bed still feels like an unprotected one.

What it does

• Bamboo fabric surface wicks moisture and stays cool to the touch through the night
• Quiet waterproof barrier repels liquids and everyday spills
• Helps keep dust mites and common allergens out of the mattress
• Fits mattresses up to 18 inches thick, including hybrid, memory foam, and innerspring builds
• Machine washable and dryer safe for easy care

A mattress protector is one of the easiest ways to extend the life of a mattress and keep a warranty intact, since many manufacturers expect some form of protection to honor coverage. Because this protector uses a soft bamboo fabric face instead of a stiffer vinyl style barrier, it stays quiet and comfortable rather than crinkling or trapping heat, which makes it easy to forget it is even there once the sheets are made.

This is a practical choice for a primary bedroom, a guest room, a rental property, or any California King bed that could use an extra layer of everyday protection. It slips on like a fitted sheet, sitting beneath the regular bedding, and works with the mattress it is paired with rather than changing its feel.

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Series: Basic Protector (Ashley model M30805)