The Sea To Summit Trek Down Sleeping Bag Tk1 is the lightest (less than 1 kg) down sleeping bag from the Sea To Summit Trek series and is designed for summer vacations in the mountains, especially suitable for temperate climates. Full zip allows you to open the sleeping bag completely and use it as a duvet. The sleeping bag is insulated with the highest quality 650+ Loft 85% Down Cluster Premium Duck Down and provides excellent warmth even in the subtropics thanks to the ULTRA-DRYDown ™ moisture protection of the down.

Technical features

Features

• 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
• Two-way #5 YKK side and separate foot zip allows bag to double as a quilt and provides extra ventilation options