GAP babyGap TrueSleep Crib and Toddler Mattress - Temperature

In this review of the GAP babyGap TrueSleep Crib and Toddler Mattress, the bottom line is simple: parents who want a safe, comfortable mattress that grows from infancy to toddlerhood will appreciate this model. The mattress stands out for its dual-sided design and an advanced temperature regulating cover that aims to keep babies at an optimal sleep temperature, while a firm recycled-fiber core provides the support newborns need. Built with waterproof backing and GREENGUARD Gold certification, it is a practical choice for everyday nursery use.

Key Features

• Dual-sided design: One firm side for infants and a slightly more cushioned side for toddlers so the mattress adapts as the child grows.
• Temperature regulating cover: The knit cover pulls heat away or releases it back to help maintain a comfortable sleep temperature for baby.
• Sustainable firm core: The core is made from recycled bottles and offers newborn-safe firmness while reducing waste.
• Waterproof backing: Waterproof layers on both sides make it easy to flip the mattress when transitioning to a toddler bed and helps keep the surface fresh.
• GREENGUARD Gold certified: Tested for thousands of chemicals and VOCs to support cleaner indoor air in the nursery.
• Safety testing: Meets or exceeds applicable JPMA, CPSIA and ASTM standards and is free from added toxic fire retardants, lead and phthalates.

Who It's For

This mattress is well suited for new parents who prioritize a firm, safety-minded sleep surface and also want features that support comfort as their child grows into a toddler. The fits standard cribs and toddler beds design and waterproof cover make it practical for everyday use in busy nurseries.

Parents looking for ultra-soft or plush surfaces may want to look elsewhere, since the mattress emphasizes firm support appropriate for infants. Those needing specialty sizes beyond the standard 28 in x 52 in or additional pressure-relief layers should consider other options.

Pros & Cons

Pros

• Firm, supportive recycled-fiber core that is designed for newborn safety and toddler comfort.
• Temperature regulating knit cover helps manage heat so babies can maintain a comfortable sleep temperature.
• Waterproof backing and reversible sides simplify cleaning and the crib-to-toddler transition.
• GREENGUARD Gold certification and freedom from added toxic fire retardants add peace of mind.

Cons

• The mattress is fairly firm by design, so families seeking a softer or more cushioned surface may prefer a different model.
• Only available in the standard crib/toddler size, so it will not fit nonstandard frames.

Specifications

Brand	Delta Children
Size	28 in x 52 in x 5 in
Construction	Firm fiber core made from recycled bottles with knit cover
Cover features	Advanced temperature regulating knit cover with waterproof backing
Certifications	GREENGUARD Gold certified; meets JPMA, CPSIA and ASTM standards
Free of	Added toxic fire retardants, lead and phthalates
Warranty & origin	7-year warranty; made in USA

Our Verdict

The GAP babyGap TrueSleep mattress is a solid, practical choice for parents who want a safe, environmentally minded crib mattress that adapts to infancy and toddlerhood. Its temperature regulating cover, waterproof backing and recycled-fiber firm core deliver reliable support and easy maintenance, making it good value for families seeking long-term use in a standard crib or toddler bed.

Frequently Asked Questions

Is this mattress safe for newborns?
The mattress offers a firm core designed for newborns and meets relevant JPMA, CPSIA and ASTM safety standards.

Can I flip the mattress when my child becomes a toddler?
Yes, it has two sides-one firmer for infants and a more targeted comfort side for toddlers-and waterproof backing on both sides for flipping.

Does the cover help with overheating?
The advanced temperature regulating knit cover is designed to pull heat away or release it back as needed to help maintain an optimal sleep temperature.