Ultra lightweight use, mountain marathons, adventure racing or as a liner bag.

Key Features:

• New lightweight Pertex® Quantum fabric
• Fill power 800 90/10 goose down
• Filled with down on the top and hood only
• 100gsm Primaloft® on base of lower legs
• Sleeping mat sleeve on the base large enough to fit a regular width Thermarest of 51cm.
• Mummy taper shape
• Proportionally assigned differential cut
• Reflective piping on the style line
• 1/2 length YKK 5 coil main zip
• Left hand zip only
• Anti zip snag webbing tape
• 100 gsm Primaloft® One synthetic draft tube
• Internal hood draw cord for increased comfort
• Trapezoidal baffle chamber design
• Angled foot box
• Supplied with dry bag compression stuff sac
• Supplied with handy storage/carry sac
• Hand filled in Derbyshire UK

Specification:

• ^{Overall Weight         580g}
• ^{Zip                            ½}
• ^{Colour                      Shark}
• ^{Comfort                       *}
• ^{Limit                            *}
• ^{Extreme                      *}
• ^{Length                     200cm}
• ^{Shoulder Width        70cm}
• ^{Hip Width                 52cm}
• ^{Foot Width               41cm}

* The Neutrino SL bag can't be EN tested as it doesn't have down on the base.
Comfort ratings for the Module and Neutrino SL topbags are dictated by the users choice of sleeping mat.