Mountain Equipment Frostline Vest Arcteryx Kyanite Lightweight Hoody The Pertex Quantum Air outer

The Pertex Quantum Air outer is windproof and water resistant and provides a good deal of protection to the Polartec Alpha inner

can be clipped back to itself or down the sides of the pack for smaller loads and futher improves the pack's weather resistance

The uninsulated sleeves significantly reduce the overall weight to a mere 255g

fast-changing environments

Performance Fit

Mountain Equipment Frostline Vest Arcteryx Kyanite Lightweight Hoody The Pertex Quantum Air outerThe Mountain Equipment Frostline Vest is a lightweight down Vest with a tiny pack size making it perfect for rock climbers and alpinists looking for an additional layer that won't compromise mobility. The DriLite Loft outer is exceptionally lightweight, totally windproof and highly water resistant, keeping the 700FP Pure Down contained within protected. It does not make the Vest waterproof, but it will mean that it performs better in damp conditions.