Naturehike, Mummy Sleeping Bag, Pro Outdoor Down Sleeping Bag for Cold Weather, Water Repellent Sleeping bag with Compression Sack, High Fluffy Duck Down Filling, For Hiking/Travel/Expedition

<h2 id="xouw5">Naturehike · Sleeping Bag Series : Snow Bird - Mummy Down Sleeping Bag</h2><p>This sleeping bag is made of 20D waterproof nylon fabric, which is effectively prevents wet and cold air from entering. Filled with 650FP selected duck down certified by authoritative organizations, not only fluffy and lightweight, but also safe, with superior warmth. Dual wind-blocking strip design effectively prevents the cold wind from blowing in, and provides efficient heat preservation even for outdoor use. The saddle-shaped design of the neck area warmly wraps around the head and neck, effectively retaining heat, allowing you to sleep warmly. (700g/1000g down sleeping bag only). The three-dimensional design of the foot area provides space for your feet to move around without constriction. This winter sleeping bag is exquisitely crafted with a variety of quality accessories, and comes with an compression sack for easy storage. A perfect choice for adventure, camp life, hiking and more, bringing you a cozy and warm sleep experience in cold weather.</p><p><br></p><p>Brand: Naturehike</p><p>Item No.: CNK2550WS014</p><p>Name: Snow Bird- Mummy Down Sleeping Bag</p><p>Model：SP400 / SP700 / SP1000</p><p>Color: Burnt brown / Gray brown</p><p>Down filling: 650FP Duck Down</p><p>Filling&nbsp;content: 400g / 700g / 1000g</p><p>Material:</p><p>Surface fabric: 20D Nylon (No down leakage)</p><p>Lining fabric: 20D Nylon (No down leakage)</p><p>Neckline: 20D nylon (No down leakage)</p><p>Zipper: YKK anti-pinch zipper</p><p>Buckle: Duraflex fastener</p><p><br></p><p>Expand size: <br>M: 74.8x29.5 in. <br>L:80.7x31.5 in.<br>Storage size:<br>SP400: φ 6.3x13.3 in.<br>SP700: φ 7.4x15.7 in.<br>SP1000: φ 7.8x16.5 in. <br>Weight:<br>SP400: M: Approx. 1.8 lbs. L: Approx. 1.9 lbs.<br>SP700: M: Approx. 2.6 lbs. L: Approx. 2.9 lbs.<br>SP1000: M: Approx. 3.6 lbs. L: Approx. 3.8 lbs.<br><br>TEMP indicator:<br>SP400: Comfort: 38 °F Limit: 29.5 °F Extreme: 1 °F<br>SP700: Comfort: 18 °F Limit: 5.9 °F Extreme: -31.9 °F<br>SP1000: Comfort: 12.5 °F Limit: -1.5 °F Extreme: -42.1 °F<br>Note: <br>*1: Naturehike sleeping bag labeled temperature standard, the strict implementation of GB/T2842 or S023537 test requirements, by the warm body dummy equipment testing to obtain the value of accurate to 0.1, with a scientific test basis, more reference value.<br>*2: The temperature standard is only for reference, applicable to the general environment. The actual body feeling will change with the metabolic rate, humidity, wind, air pressure, altitude and other changes in the surrounding environment, choose the right sleeping bag according to your own body type and experience.</p><p><br></p><p>● &nbsp;&nbsp;Recommendations for use<br></p><ol><li><p>Stretch the sleeping bag completely 1 to 2 days before use, and check whether the sleeping bag and its accessories are complete, which will help to get a good experience when using it in the wild.</p></li><li><p>&nbsp;It is recommended to put warm water bag into the sleeping bag to pre-warm it in cold weather, and do not wear thick clothes such as coats when using, which will block the heat in the body from circulating in the sleeping bag and cannot obtain a comfortable sleep experience.</p></li><li><p>The sleeping bag has a good thermal effect, but it cannot generate heat by itself, it's recommended to warm up before using it.</p></li><li><p>&nbsp;If the climate allow, turn out the inside of the sleeping bag, placed in a clean and ventilated place for drying, which is conducive to the maintenance of the sleeping bag, and attention must be paid to avoid the direct sun at noon.</p></li><li><p>Sleeping bags are used as personal hygiene products, do not borrow from each other.</p></li></ol>

• 【PREMIUM DOWN FILLING】: Filled with 650FP selected duck down certified by authoritative organizations, it is not only fluffy and lightweight, but also safe and warm.
• 【WATER-REPELLENT FABRIC】: Made of 20D waterproof nylon fabric, no down leakage, and effectively prevent wet and cold air from entering.
• 【DUAL WIND-BLOCKING STRIP DESIGN】: Effectively prevents cold wind from blowing in, and provides efficient insulation even when used outdoors.
• 【YKK TWO-WAY ZIPPER】: High-quality zipper, smooth and firm pulling, smooth opening and closing. The zipper can be opened at both ends, which is anti-pinch and convenient to use.
• 【SADDLE-SHAPED NECK AREA】: Wraps around the head and neck warmly, which can effectively block the cold wind blowing in, retain the heat, and warm you to sleep.(700g/1000g down sleeping bag only)
• 【THREE-DIMENSIONAL FOOT AREA】: More room for foot movement, less restraint, allowing feet to move freely and stay warm.
• 【MULTIPLE CHOICES】: 3 models, two sizes each with two colors to choose from, choose the right one according to the temperature indication and actual needs.