Arcteryx Alpha FL 30 Option:Vitality ski-touring or trekking in the

ski-touring or trekking in the hills and mountains

2 Way centre main zip

Coreloft Compact 60 synthetic insulation

The biggest performance difference you are most likely to notice is the DWR treatment

WaterTight pit zips

Arcteryx Alpha FL 30 Option:Vitality ski-touring or trekking in theThe Arcteryx Alpha FL 30 is a great minimalist 30 litre pack for fast and light use in the mountains, ideal whether you're rock climbing, alpine climbing or ski mountaineering. It's very light for a pack of it's size, yet don't let this deceive you the 315 Denier HADRON AC Nylon is super, super tough. The pack has a simple Roll Top closure, which when fully extended gives the pack additional capacity up to 37 litres. The 315D HADRON AC2 Nylon is