Helium UL Bivy Sizes:OS The ADV SKIN CROSS SEASON

The ADV SKIN CROSS SEASON 15 takes the benefits of the bestselling ADV SKIN vest and adds drybag-inspired main storage

The FreshSesh rooftop snow mount carries up to 6 pairs of skis or 4 snowboards

Regular SKU 14224

it will block most flying insects including mosquitoes and black flies to ensure comfort while in the outdoors

Chainring Size 32T Bolt Circle Diameter (BCD) 94 BCD Speeds 11 Compat - Yaw n/a Material (Chainring) Steel Color (Chainring) Black Chain Technology 11 Speed Powerchain Chainring Mount Interface Integrated (BCD) 11

Helium UL Bivy Sizes:OS The ADV SKIN CROSS SEASONWaterproof Protection Without the Weight. The Helium UL Bivy is built for ultralight backpackers, climbers, and fast packers who need waterproof protection and breathability in a minimalist shelter. Made with bluesign approved Pertex Shield NetPlus fabric from 100% recycled nylon, the Helium UL Bivy is newly updated for 2026 to deliver durable, lightweight performance with a fully seam taped design and waterproof PU coated floor for reliable weather