Need help with light, fluffy cotton fiber filling material

I need to create a similar look to the images pictured here: I’m going for a very light, airy kind of look. In theory I had some approaches in mind. Namely using a volume shader with a displacement map, and noisy bump, but I’m way off the mark when it comes to the reference images. Any ideas for how to texture this? Thank you! FYI here are the results I’ve managed to get so far. As you can see, it’s far too dense. (The filling layer above the blue layer.)

Big Plush® 8 oz Luxurious White Fluffy Polyester Fiber Fill Stuffing Soft Blended Shredded Batting Scraps for Stuffing Pillows Cushion Filling Upholstery Stuffed Animals Toys Doll DIY Crafts Fake Snow

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28.2oz/800g Premium Polyester Fiber, Fiberfill for Pillow Stuffing, Stuffing for Animals Craft, Cotton for Doll Stuffing, High Resilience Fill Fiber (White)

THREAD SPREAD Queen Cooling Mattress Topper, Soft 100% Cotton Fabric, Pillow-Top Optimum Thick Mattress Topper for Queen Bed, Breathable & Plush Quilted Down-Like Fill, Snug Deep Pocket Fit 74.99

3 Piece Faux Shearling Reversible Down Alternative Comforter Set, King - Foods Co.

Need help with light, fluffy cotton fiber filling material - Materials and Textures - Blender Artists Community

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Need help with light, fluffy cotton fiber filling material - Materials and Textures - Blender Artists Community

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Need help with light, fluffy cotton fiber filling material - Materials and Textures - Blender Artists Community