Contract Cocoon Sirius 3000 Encapsulated Pillowbox Pocket Sprung Mattress

Sirius 3000 Hydro-Gel Mattress – Stay Cool, Sleep Deep, Wake Refreshed

Experience cool, supported sleep with the Sirius 3000 Mattress – perfect for hot sleepers and back pain relief.

Tired of waking up hot, stiff, or restless?

The Sirius Mattress with Hydro-Gel Cooling Foam combines cutting-edge cooling technology with pressure-relieving pocket springs to deliver the perfect balance of temperature control, support, and comfort. Engineered for modern sleepers, it’s the ideal solution for hot nights, restless partners, and aching joints.

Key Features You'll Love:

• Hydro-Gel Cooling Foam for Temperature Regulation - Stay cool and comfortable all night with hydro-gel infused foam, designed to draw excess heat away from the body and maintain a steady sleep temperature.
• Encapsulated 3000 Pocket Springs for Tailored Support - Enjoy personalised support with 3000 individual pocket springs, zoned to respond to your body’s shape and movement. Encapsulated edges ensure full-surface stability—no sagging, no roll-off.
• Breathable 3D Border for Enhanced Airflow - A 3D airflow border promotes ventilation throughout the mattress core, helping maintain a fresher, more hygienic sleep environment.
  
• Micro Quilted Top for Soft Surface Comfort - The plush quilted cover provides a smooth, stable sleep surface while securing internal layers for durability.
• Single-Sided for Easy Care - No need to flip—just rotate regularly for even wear. The single-sided design delivers hassle-free comfort with long-term performance.
  
• Made in the UK

Who Benefits from a Medium to Firm Mattress?

The Sirius Mattress is rated medium to firm, offering just the right blend of support and subtle cushioning.

Best for:

• Back and stomach sleepers needing spine alignment.
• Heavier sleepers needing extra support without sag.
• Couples with mixed sleep styles.
• People with lower back pain or posture needs.
• Sleepers wanting durability without sacrificing comfort.
  

This firmness level supports healthy posture, relieves pressure, and encourages deep, uninterrupted rest night after night. Better, cooler, comfier sleep starts now.

Shop the Sirius Mattress with Hydro-Gel Cooling Foam and experience your best night’s sleep yet.

• ❄️ Hydro-Gel Cooling Foam Layer – Gel-infused comfort layer actively disperses excess heat to maintain a cooler, more comfortable sleep temperature
• 🛏️ 3,000 Encapsulated Pocket Springs – Individually responsive springs provide zoned support, reduce motion transfer, and promote natural spinal alignment
• 🧱 Reinforced Encapsulated Edge Support – High-density foam perimeter prevents roll-off and maximises the usable sleep surface
• ⚖️ Medium to Firm Comfort Rating – Structured support with subtle cushioning, ideal for back and stomach sleepers
• 🌬️ Breathable 3D Airflow Border – Ventilated mesh design enhances circulation to reduce heat and moisture build-up
• 🧵 Micro-Quilted Comfort Surface – Smooth, plush top layer secures internal fillings while providing stable surface comfort
• 🔄 Single-Sided, Rotate Only Design – No flipping required; simply rotate periodically for even wear and long-lasting performance
• 📏 Deep Supportive Profile – Substantial mattress construction offering durability and enhanced comfort
• 🇬🇧 Proudly Made in the UK – Manufactured to trusted British quality standards
• 🚚 Free Two-Person Room Delivery – Delivered to your room of choice within 3–7 working days
• 🛡️ 5-Year Manufacturer’s Guarantee – Built for durability and backed with long-term peace of mind