The wicking 4T synthetic insulation - structured in a Tri-lateral construction -improves warmth, eliminates cold spots and conforms closer to the body.  Thermal-Reverb redirects heat radiated from the body back to the user making the bag warmer.

The wicking 4T synthetic insulation - structured in a Tri-lateral construction -improves warmth, eliminates cold spots and conforms closer to the body.  Thermal-Reverb redirects heat radiated from the body back to the user making the bag warmer.

Delivers an optimisation of warmth, weight and pack size, with high quality hydro-barrier duck down fill.

Welded box wall construction, 90/10 700 fill power duck down, with an aluminimised layer to reflect heat back .