FEATURES
- Tapered rectangular for more space and comfort than a traditional mummy bag
- RDS 650+ Loft ULTRA-DRY Down offers excellent insulation and compressibility
- Lightweight fabrics for reduced weight and bulk
- Vertical chest baffles prevent down migration and cold spots
- Two-way #5 YKK® side and separate foot zip allows bag to double as a quilt and provides extra ventilation options
- Oversized zip draft tube with anti-snag materials
- Large internal security pocket
- 3D hood draws in tight when needed
- Trek Tk1 has baffled top and stitch through base construction
- Soft touch 20D lining fabric is lightweight and highly breathable, durable 30D Nylon shell
- Includes Ultra-Sil Compression Bag for compact storage
- This bag is designed to pair with another
- All fabrics and treatments are non-PFC
TECH SPECS
Weight
TkI R: 760g
TkI RW: 920g
TkI L: 850g
TkII R: 980g
TkII RW: 1.1kg
TkII L: 1.1kg
TkIII R: 1.2kg
TkIII L: 1.3kg
Certification
RDS - 883003
Material
Shell: 30D Nylon 345T with C0 DWR (non-PFC)
Lining: Lightweight 20D Nylon 384T with C0 DWR (non-PFC)
Internal chest circumference
R: 152cm
RW: 172cm
L: 162cm
Internal hip circumference
R: 146cm
RW: 161cm
L: 157cm
Internal foot circumference
R: 102cm
RW: 122cm
L: 108cm
Packed dimensions
TkI R: 36 x 18.5 x 18.5cm
TkI RW: 36 x 18.5 x 18.5cm
TkI L: 36 x 18.5 x 18.5cm
TkII R: 36 x 18.5 x 18.5cm
TkII RW: 41 x 21 x 21cm
TkII L: 41 x 21 x 21cm
TkIII R: 41 x 21 x 21cm
TkIII L: 41 x 21 x 21cm
Recommended user height
R: 183cm
L: 198cm
EN temperature rating (comfort)
TkI: 5°C
TkII: -1°C
TkIII: -6°C
EN temperature rating (extreme)
TkI: -16°C
TkII: -25°C
TkIII: -31°C
EN temperature rating (lower limit)
TkI: -1°C
TkII: -8°C
TkIII: -12°C
Fill weight
TkI R: 350g
TkI RW: 450g
TkI L: 400g
TkII R: 500g
TkII RW: 600g
TkII L: 560g
TkIII R: 700g
TkIII L: 780g
Insulation type
650+ Loft ULTRA-DRY Downâ„¢, 85/15 Premium Duck Down, non-PFC, RDS certified
Compression sack volume/ASTM F1853-11 compressed volume
TkI R: 10L/4.6L
TkI RW: 10L/6.2L
TkI L: 10L/5.5L
TkII R: 10L/6.1L
TkII RW: 14L/7.4L
TkII L: 14L/7.3L
TkIII R: 14L/8.4L
TkIII L: 14L/10L
Zipper configuration
Full length YKK #3 side zip, two sliders. YKK #5 foot opening zip.
Baffle design
Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction on top and sewn through on base