ATEPA Elements 450 Coldmaster™ Mummy Sleeping Bag 42.8°F to 6.8°F

ATEPA Elements 450 Coldmaster™ Mummy Sleeping Bag | 700FP Recycled Down Blend, Ultralight 3-Season Backpacking & Camping Gear:

Stay warm and pack light with the ATEPA Elements 450 Coldmaster™ Sleeping Bag, engineered for backpackers who refuse to compromise between sustainability, weight, and performance. With a 700FP recycled down blend and precision mummy shaping, this 3-season sleeping bag delivers reliable warmth in temperatures as low as -14°C (6.8°F), all while compressing to the size of a hydration bladder.

KEY FEATURES

🔹 Advanced Coldmaster™ Insulation
A 55% RDS-certified duck down + 45% recycled cotton blend offers the loft of premium down with enhanced moisture resistance. The 450g fill weight and 700 fill power strike the ideal balance of warmth and packability.

🔹 Ultralight & Ultra-Compact
Weighing just 2.2 lbs, the sleeping bag compresses to 13.78” x 7.48” in its included compression sack—saving crucial space in your backpack or carry-on.

🔹 All-Season Versatility
Rated from 42.8°F to 6.8°F (6°C to -14°C), this bag adapts to spring, fall, and winter conditions. The 3D footbox and contoured hood eliminate cold spots while accommodating users up to 6’5”.

🔹 Eco-Conscious Construction
GRS-certified 15D recycled nylon shell and liner reduce environmental impact without sacrificing durability, moisture resistance, or tear strength.

🔹 Thoughtful Trail-Ready Design

• YKK self-locking anti-snag zippers

• Internal security pocket for phones/essentials

• Draft collar with adjustable drawstring

• Mesh storage bag to maintain loft during storage

TECH SPECS

• Temperature Rating:

  • Tested Comfort: 42.8 degrees (F) - ISO
  • Tested Lower Limit: 33.8 degrees (F) - ISO
  • Tested Extreme: 6.8 degrees (F) - ISO

   

• Fill: 450g 700FP Coldmaster™ MIX (55% down + 45% recycled cotton)

• Fabric: 15D 480T Recycled Nylon Shell + 20D 400T Nylon Liner

• Packed Size: 13.78” x 7.48”

• Weight: 2.2 lbs (1 kg)

• Dimensions: 86.6” x 31.5” (Fits users up to 6’5”)

IDEAL FOR

• Backpacking & Thru-Hiking

• Cold-Weather Camping

• Alpine Mountaineering

• Travel & Ultralight Adventures

Gear Up Smarter
The ATEPA Elements 450 combines ethical materials, intelligent design, and trail-proof durability—helping you explore further while leaving a lighter footprint.