Super Down Altai Size Expander | Stone Size:One Size while both the durability and

while both the durability and tear strength increased by 50%

lighter weight

and a waterproof storage pocket for your phone or additional organization—all pocketing features robust YKK® zippers

It’s built with a highly durable 100% waterproof and windproof 4-layer outer shell

Super Down Altai Size Expander | Stone Size:One Size while both the durability andThis size expander adds up to 6. 75 in 17 cm of extra chest room in the Super Down Altai Sleeping bags, making it ideal for side sleepers and larger individuals. Built from the same materials as the Altai Sleeping bag, including a combination of Quixdown and 3DeFX synthetic insulations, it maintains the effective warmth of your bag while adding shoulder room. This expander will retrofit on the regular length Super Down Sleeping Bags predating 2024. It