LifeStraw Go 2.0 Stainless Steel Water Filter Bottle - 700ml Colour:Black The four points that are

The four points that are perpendicular to the crampon rails

The fixed eye can be clipped (with a Prest-in configuration aid if needed)

ensuring ease of transport

Air circulation is extremely efficient through the openings

The Injinji Performance 2

LifeStraw Go 2.0 Stainless Steel Water Filter Bottle - 700ml Colour:Black The four points that areLifeStraw Go Series is the ultimate sidekick for safer, better tasting water for travel and everyday use. The stainless steel BPA free bottle filters out nasties, so you can fill up from airport bathrooms, a tap in Mexico, or a gas station while road tripping. The advanced 2 stage filter improves taste and protects against bacteria, parasites, microplastics, chlorine, silt, sand, and cloudiness. The double wall vacuum insulation keeps your water cool