Luxury King / Cal-King Down Alternative Duvet Insert – Hypoallergenic Microfiber, All-Season, Baffle-Box Design

Wrap yourself in comfort with a duvet insert that feels luxurious, breathable, and perfectly balanced. Our Down Alternative Duvet Insert uses ultra-fine microfiber to mimic the loft and softness of real down — without feathers, allergens, or maintenance hassles.

The smooth cotton sateen shell adds a refined finish and helps regulate temperature, keeping you cozy without overheating. Thoughtful baffle-box stitching ensures the fill stays perfectly in place so every night feels like your best sleep.

Designed to fully fill a King or California King duvet cover, this insert creates that high-loft, hotel-style look customers love. Whether layered in winter or used alone in warmer months, it provides consistent, cloud-like comfort.

Key Features

• King / Cal King Size: Generous 107" x 98" dimensions for a full, fluffy look inside your duvet cover.

• Hypoallergenic Microfiber Fill: Down-free construction ideal for allergy-sensitive sleepers.

• Soft Cotton Sateen Shell: Smooth, breathable, and hotel-quality.

• Baffle-Box Construction: Keeps the fill evenly distributed — no cold spots, no clumping.

• Double-Stitched Edges: Reinforced piping for long-lasting strength and shape retention.

• All-Season Warmth: Lightweight comfort suitable for both warm and cool sleepers.

• Machine Washable: Easy care — wash cold, tumble dry low, and it fluffs right back up.

Specifications

• Size: 107" x 98" (King / Cal King)

• Fill: Hypoallergenic microfiber

• Shell: 100% cotton sateen

• Construction: Baffle-box with double-stitched piping

• Care: Machine wash cold, tumble dry low

• Warmth: All-Season / Lightweight