Outdoor Research Helium UL Bivy

Outdoor Research Helium UL Bivy is an ultralight, waterproof solo shelter that gives fastpackers, alpine climbers, and minimalist backpackers reliable weather protection with low weight and high breathability. Built from recycled Pertex® Shield NetPlus® fabrics with fully taped seams, the Helium UL combines a roomy clamshell entry, no-see-um mesh, and a single DAC pole for comfortable, stake-able shelter in three-season conditions.

Key Features

• Recycled Pertex Shield NetPlus: 2.5-layer, bluesign®-approved upper made from 100% recycled nylon for waterproof, breathable performance.
  
• Lightweight Packability: Total system weight ~1 lb 2 oz (≈510–530 g) with compact stuff size for fast-and-light missions.
  
• Single-Pole, Clamshell Design: DAC aluminum pole creates high-volume headspace and a clamshell opening for easy entry/exit.
  
• No-See-Um Mesh & Ventilation: Fine mesh door and dual passive vents reduce condensation while keeping insects out.
  
• Durable Waterproof Floor & Fully Taped Seams: PU/TPU-coated floor and seam-taped construction deliver reliable wet-weather protection.
  
• Trail-Ready Accessories: Includes stake loops, guy loop, reflective trims, and compatibility with optional vestibule for added storage.