Nanga built their reputation on developing sleeping bags designed to perform in some of the most extreme climates on Earth. 
The Udd Bag is a high-performing sleeping bag which can perform well even in wet conditions. A three-season model, it is constructed from a ripstop nylon with a water-repellent finish and in addition has a high-performance 770FP duck down which has a waterproofing treatment, to aid its function and performance in damp conditions. 

• 15d nylon w/water repellent finish 
  
• Trapezoid box quilt
  
• Top: Box quilt structure Bottom: Single quilt structure 
  
• Spanish duck down 90/10 (770FP) UDD hydrophobic treated
  
• Single quilt structure 
  
• Down weight: 450g / Total weight: 825g 
  
• Stored size: 30 x 14cm 
  
• Optimum temperature 1C / lower limit -4C
  
• Suitable for persons up to 178cm / 5ft 10 
  
• Maximum Length 210cm, maximum width of shoulders 80cm 
  
• Made in Japan