Arcteryx Alpha SV Jacket Arcteryx Alpha FL 40 which means it will not

which means it will not penetrate the outer Tyono 20 nylon fabric

6mm x 10cm

23 Litre capacity

315d Hadron AC2 LCP Nylon grid fabric

The Atom SL Vest uses Coreloft insulation

Arcteryx Alpha SV Jacket Arcteryx Alpha FL 40 which means it will notThe Arcteryx Alpha SV Jacket is the ultimate GORE TEX PRO Most Rugged mountain shell providing the toughest of barriers against the severest weather. It has ultra tough 100 Denier face fabric for total dependability and excellent durability. The Alpha SV Jacket has a regular cut with e3D, ergonomic 3 Dimensional patterning, designed to enhance a greater freedom of movement. Most Rugged 3L GORE TEX Pro 2. 0 is the toughest and most durable waterproof