Microfiber vs Water
Professional Material Comparison

Microfiber
Microfiber Polyester Fill
Ultra-fine synthetic polyester fibers designed to mimic down softness at an affordable price
Average Price
$28
Lifespan
2-4 years

Water
Water-Filled Pillow
Adjustable support pillow using water chamber to provide customizable firmness and contouring
Average Price
$60
Lifespan
1-3 years (water chamber), 3-5 years (overall)
Quick Comparison
| Feature | Microfiber | Water |
|---|---|---|
| Support Level | Low to Medium | Medium to High (Adjustable) |
| Firmness | 3-6/10 (Soft to Medium) | 1-9/10 (Fully Adjustable) |
| Temperature | Neutral to Warm | Cool to Neutral |
| Durability | 2-4 years | 1-2 years (water pouch), 3-5 years (outer layer) |
| Hypoallergenic | ||
| Avg Price | $28 | $60 |
Physical Properties & Feel
Microfiber
Support Level:
Low to Medium
Firmness:
3-6/10 (Soft to Medium)
Durability:
2-4 years
Bounce:
Medium to High
Contouring:
Low
Water
Support Level:
Medium to High (Adjustable)
Firmness:
1-9/10 (Fully Adjustable)
Durability:
1-2 years (water pouch), 3-5 years (outer layer)
Bounce:
Low to Medium
Contouring:
High (Dynamic)
Temperature Regulation & Breathability
Microfiber
Temperature Rating:
Neutral to Warm
Breathability:
Limited breathability compared to natural materials. Polyester fibers do not wick moisture effectively, leading to heat and sweat retention. The synthetic nature creates less airflow than down, wool, or cotton. Some premium microfiber designs incorporate gel-infused or ventilated technologies to improve cooling, but standard microfiber tends to sleep warm. The dense packing of fine fibers reduces air circulation. Better than solid foam but significantly inferior to natural latex with pincore holes or down with natural loft spaces.
Water
Temperature Rating:
Cool to Neutral
Breathability:
Limited breathability due to non-porous water chamber. The outer layer (typically polyester fiberfill or foam) determines surface breathability. Water itself does not breathe but has excellent heat dissipation properties, conducting heat away from head and neck. Generally sleeps cooler than memory foam or solid latex due to water's thermal properties, but not as breathable as natural materials like wool or kapok. Air circulation depends entirely on outer layer materials.
Certifications & Standards
Microfiber
Water
Advantages & Disadvantages
Microfiber
Advantages
Disadvantages
Water
Advantages
Disadvantages
Expert Recommendation
Both Microfiber and Water are excellent pillow materials with distinct advantages. Your optimal choice depends on your individual sleep needs, physical requirements, budget constraints, and personal preferences.
Choose Microfiber if you:
- •Budget-conscious shoppers
- •Feather allergy sufferers
- •Dust mite allergy (with regular washing)
- •Vegans and animal welfare advocates
Choose Water if you:
- •Chronic neck pain sufferers
- •Headache and migraine sufferers
- •Post-injury recovery
- •TMJ disorder
Ideal Use Cases
Microfiber
Budget-conscious shoppers - most affordable pillow option with decent quality
Feather allergy sufferers - excellent down alternative without animal proteins
Dust mite allergy (with regular washing) - synthetic fibers resist mite colonization when kept clean
Vegans and animal welfare advocates - 100% cruelty-free synthetic alternative
Frequent travelers - lightweight and compressible for easy packing
Guest rooms and vacation homes - affordable option for occasional use
College students and renters - inexpensive, low-commitment bedding for temporary living
Those needing easy-care bedding - simple machine washing without professional cleaning
Water
Chronic neck pain sufferers - clinical evidence shows improvement in cervical pain symptoms
Headache and migraine sufferers - proper cervical alignment may reduce tension headaches
Post-injury recovery - healthcare providers often recommend for neck injury rehabilitation
TMJ disorder - proper neck support can reduce jaw tension and pain
Hot sleepers - water's cooling properties help regulate temperature
Dust mite and allergen sensitivities - sealed water chamber prevents allergen accumulation
Those with cervical spine conditions requiring specific support levels
Snorers - maintaining proper alignment can reduce airway obstruction
Allergen Resistance & Health Concerns
Microfiber
Hypoallergenic:
Allergies:
Generally hypoallergenic due to synthetic nature that resists dust mites, mold, and mildew better than natural materials. Free from animal proteins that trigger feather allergies. However, some individuals may be sensitive to polyester itself or chemical treatments. Regular washing (every 3-4 months) is essential to prevent allergen accumulation. Research shows microfiber pillows can harbor respiratory pathogens - studies found high permeability (82-95%) for aerosol particles, meaning viruses and bacteria can penetrate the fabric and accumulate in fill. Not suitable for those allergic to synthetic materials or sensitive to chemical treatments like flame retardants.
Dust Mites:
Synthetic polyester fibers naturally resist dust mite colonization better than natural materials when new and clean. The smooth, non-porous surface of polyester provides fewer places for mites to attach compared to cotton or down. However, this advantage diminishes without regular washing - dust mites can still colonize surface layers and accumulated skin cells. Studies confirm synthetic pillows require regular laundering (every 3-4 months) to maintain dust mite resistance. Unlike claims of permanent protection, microfiber pillows accumulate allergens over time just like other materials. Machine washability in hot water offers advantage for killing mites and removing allergen accumulation.
Chemical Concerns:
Significant chemical concerns exist with microfiber pillows. Studies show polyester pillows can contain flame retardants (PBDEs) at levels of 107 parts per million - lower than polyurethane foam (3,646 ppm) but still present. These flame retardants are linked to cancer, reproductive issues, and neurological problems. Manufacturing process releases VOCs during production. New pillows may off-gas chemicals causing odors. A 2020 study found people sleeping on microfiber sheets had elevated phthalate levels in urine. Not naturally occurring - created through chemical processes using petroleum derivatives. Look for OEKO-TEX Standard 100 certification ensuring testing for 1,000+ harmful substances including formaldehyde, heavy metals, pesticides, and phthalates. CertiPUR-US certification available for some blended foam/microfiber products.
Water
Hypoallergenic:
Allergies:
Excellent for allergy sufferers. The sealed water chamber cannot harbor dust mites, mold, or allergens. The outer fiberfill or foam layer can be washed regularly to remove allergens. Water itself is inert and non-allergenic. However, if water is not changed regularly, bacterial growth or mold can develop inside the chamber, particularly if using tap water. Always use distilled water and empty/refill every 3-6 months to maintain hygiene.
Dust Mites:
Water chamber provides complete barrier against dust mites - they cannot penetrate sealed plastic/vinyl chamber. However, dust mites can colonize the outer fiberfill or foam layer just like any pillow. Regular washing of outer components (every 2-3 months) and use of allergen-proof pillow protector prevents dust mite accumulation. Overall excellent choice for dust mite allergy sufferers when properly maintained with washable covers.
Chemical Concerns:
Water chamber typically made from vinyl, polyurethane, or medical-grade plastic which may contain plasticizers like phthalates. Look for OEKO-TEX Standard 100 certified materials ensuring no harmful chemicals. Some cheaper water pillows use PVC containing concerning additives. Higher-quality medical-grade chambers are safer. Outer fiberfill usually polyester which is generally safe but may have chemical treatments. No VOC off-gassing from water itself. Water chamber in contact with skin should be free from BPA and harmful plasticizers.
Care & Maintenance
Microfiber
Washable:
Washing Instructions:
Machine washable on gentle cycle with cold or warm water and mild detergent. Avoid hot water which can damage polyester fibers. Can typically be washed every 3-4 months. Some pillows recommend delicate cycle to prevent excessive clumping. Do not use fabric softener as it coats fibers and reduces loft.
Drying Instructions:
Tumble dry on low to medium heat. Add dryer balls or clean tennis balls to break up clumps and restore fluffiness. Microfiber dries relatively quickly due to water-repellent synthetic fibers. Ensure complete drying before use. High heat may damage fibers or release additional chemicals from flame retardant treatments.
Maintenance Tips:
- •Fluff daily by grabbing corners and shaking vigorously to redistribute fill and prevent clumping
- •Use pillow protector to shield from body oils, sweat, and allergens while allowing breathability
- •Air out weekly by removing pillowcase and letting pillow breathe in well-ventilated area
Water
Washable:
Washing Instructions:
Empty water completely from chamber before washing. Remove water pouch if detachable. Wash outer pillow cover and fiberfill layer in cold water on gentle cycle with mild detergent. Some water pillows have non-removable chambers requiring spot cleaning only. Wash outer materials every 2-3 months. Clean water chamber exterior with damp cloth and mild soap.
Drying Instructions:
Air dry water chamber completely - never put in dryer as heat can damage seals and plastic. Tumble dry outer fiberfill layer on low heat or air dry flat. Ensure all components are completely dry before refilling water chamber. May take 24-48 hours for complete drying.
Maintenance Tips:
- •Empty and refill water chamber every 3-6 months to prevent bacterial growth and mineral deposits
- •Use distilled water only - tap water contains minerals that build up and promote algae growth
- •Add 1-2 drops of algaecide designed for water beds if storing filled for extended periods
Price Range & Value
Microfiber
Low
$15
Average
$28
High
$50
Expected Lifespan:
2-4 years
Water
Low
$40
Average
$60
High
$90
Expected Lifespan:
1-3 years (water chamber), 3-5 years (overall)
Durability & Longevity Factors
Microfiber
Factors Affecting Lifespan:
- •Fiber quality - higher denier microfibers (1.2D or greater) last longer than ultra-fine 0.8D fibers
- •Fill density - more generously filled pillows maintain loft longer than sparsely filled options
- •Washing frequency - excessive washing accelerates fiber breakdown and clumping
- •Body weight and sleep position - heavier individuals and side sleepers compress fibers faster
- •Cover quality - tightly woven covers prevent fiber migration and extend pillow life
- •Flame retardant treatments - chemical treatments can degrade fibers over time
- •Storage conditions - humidity and heat accelerate polyester degradation
Water
Factors Affecting Lifespan:
- •Quality of water chamber material - medical-grade vinyl lasts longer than standard plastic
- •Frequency of filling and emptying - repeated manipulation stresses seams and seals
- •Type of water used - distilled water prevents mineral buildup and extends chamber life
- •Care of outer fiberfill layer - washing frequency affects outer material longevity
- •Storage conditions - extreme temperatures can damage water chamber integrity
- •Manufacturing quality - reinforced seams and high-grade materials resist punctures better
- •Usage patterns - aggressive movement during sleep increases leak risk
Environmental Impact & Sustainability
Microfiber
Sustainability:
Poor environmental profile overall. Microfiber is made from polyester (PET), a petroleum-based synthetic requiring extraction of non-renewable fossil fuels. Manufacturing is highly energy-intensive - requires double the energy of cotton production and uses high temperatures (up to 290°C) plus chemical catalysts. Process releases greenhouse gases and toxic pollutants into air and water. Nearly 70 million barrels of oil used annually for global polyester production. Microfiber pollution is severe environmental concern - studies show microfibers comprise 85% of human-made debris on shorelines worldwide. Each wash releases 200,000-500,000 tonnes of microplastic fibers into oceans, lakes, and rivers annually. These microfibers contaminate marine life, enter food chain, and have been found in table salt and seafood. Recycled microfiber (rPET from plastic bottles) reduces virgin material use by 59% energy but still sheds microplastics and requires energy-intensive processing.
Biodegradable:
Manufacturing:
Energy-intensive process involving petroleum extraction, chemical synthesis, high-temperature extrusion, and chemical treatments. Polyester production plants are major sources of hazardous air pollutants including volatile organic compounds (VOCs) and potential carcinogens. Manufacturing requires significant water for cooling processes. Many microfiber pillows treated with flame retardants (brominated or chlorinated compounds), antimicrobial agents, and fabric finishes using additional chemicals. Cannot be recycled with other textiles - mixed fiber composition makes recycling impossible. Downcycling into lower-grade products is only option. Takes 200+ years to decompose in landfills. Currently very few facilities exist to recycle microfiber pillows - most end up in landfills or oceans. Some companies offer recycled polyester options, but overall manufacturing footprint remains significant.
Water
Sustainability:
Poor to moderate environmental profile. Water chamber typically made from petroleum-based vinyl or polyurethane plastic. Short lifespan (1-2 years for chamber) means frequent replacement and plastic waste. Outer fiberfill usually polyester - also petroleum-derived and non-biodegradable. Manufacturing plastics requires significant energy and generates emissions. However, water itself is renewable and non-toxic. Some manufacturers use recycled polyester for outer layer. The adjustability feature may reduce waste by eliminating need to purchase multiple pillows.
Biodegradable:
Manufacturing:
Water chamber manufactured through plastic extrusion or molding processes requiring petroleum-derived materials and significant energy. Heat-sealing or radio-frequency welding creates water-tight seams. Outer layer typically involves polyester fiber production from petrochemicals. Manufacturing process generates plastic waste and emissions. Quality control critical to prevent defective chambers that leak prematurely. Some brands prioritize medical-grade materials and cleaner production methods, but overall environmental impact remains significant due to plastic components.