Hydrapak ShapeShift 2L Performance Reversible Hydration Fire Goggles use a standard #2 pencil

use a standard #2 pencil or an all-weather pen

Base Diameter: 2

Frontal pocket: 8

TTB-1 tactical helmet bag

includes a unique thermoformed cap to protect optics

Hydrapak ShapeShift 2L Performance Reversible Hydration Fire Goggles use a standard #2 pencilHydrapak ShapeShift 2L Performance Reversible Hydration Smart design, meet peak performance also known as the Shape Shift Reservoir. Our time tested creation for hydration on the go, it can take a serious beating, it fits nicely in most packs and its fully reversible for easy cleaning. Durable, dependable form and function. LOW PROFILE An adjustable baffle maintains a low profile when filled and increases stabilization during high impact activities