Updated version Sea To Summit Trek TKII - Comfort, versatility and value in a classic tapered rectangular down bag. 

A great all round sleeping bag, insulated with water-resistant duck down (Responsible Down Standard certified) for warmth and compressibility, ideal for cold temps with ratings -1°C to -8°C comfort limit. The sleeping bag is semi-rectangular in shape, wider than a mummy bag for some extra room to move from hips through to feet. Ideal for hiking and camping with bag weighing just 980g. Compresses down to 4.6 L and comes with its own compression bag.  

• Large internal security pocket
• 3D hood draws in tight when needed
• Foot zip for extra ventilation or to provide freedom of movement for your feet
• Tapered rectangular for more space and comfort than a traditional mummy bag.
• RDS 650+ Loft ULTRA-DRY Down™ offers excellent insulation and compressibility
• Soft touch 20D lining fabric is lightweight and highly breathable, durable 30D Nylon shell, Lightweight fabrics for reduced weight and bulk
• Vertical baffles over the chest section ensure the down insulation cannot migrate or shift to the outside of the bag during sleep, creating cold spots
• Oversized zip draft tube with anti-snag materials
• A side block baffle construction maintains the 60/40 fill ratio, keeping more down on the top of the bag for maximum insulation
• Trek Tk1 has baffled top and stitch through base construction
• Includes lightweight Ultra-Sil™ compression bag and storage cell bag.

• Temp ratings: -1°C comfort, -8°C lower limit, -25°C extreme
• Regular size recommended User Height up to 183 cm
• Packed Dimensions ø18 x 40 cm
• Volume Compressed 6.1 L
• Compression Sack Volume (Compressed) 10 to 3.3 L
• Weight 980g
• Internal Chest Circumference 152cm, Internal Hip Circumference 146cm, Internal Foot Circumference 102cm
• Shell: 100% Nylon, Lining: 100% Nylon,
• Primary Filling Material: Duck Down (Min. 85% Down) Responsible Down Standard certified, Fill Weight 500g 
• Two-way #5 YKK side and separate foot zip allows bag to double as a quilt and provides extra ventilation options
• Shell: 100% Nylon, Lining: 100% Nylon,
• Primary Filling Material: Duck Down (Min. 85% Down) Responsible Down Standard certified
• Stuff sack: 100% Nylon excluding Trims