Petzl SM'D TWIST LOCK CARABINER down insulation Scarpa lists the F1 LT

Scarpa lists the F1 LT near a 100 flex

Ultralight shell materials combine with a free-pivoting walk mode for unmatched efficiency and comfort on the skin track

It balances warmth

248 g per boot (size 27)

stiffer boot that is stable at all temperatures

Petzl SM'D TWIST LOCK CARABINER down insulation Scarpa lists the F1 LTThe SM'd Twist is an auto locking,Lightweight D shaped carabiner that is designed for any and all mountain use. The D shape provides excellent handling while the H profile contributes supplies a better grip over all when belaying and wearing gloves. The Screw lock provides a secure connection for when attaching to a Traxion or Grigri. Specifications Material(s): aluminum