Hydroflask 40 oz All Round Travel Tumbler Color:Moonshadow There's a hidden security pocket

There's a hidden security pocket inside the handwarmer pocket in the front

A solid Airdrive Rotor cut even more weight compared to its previous generation

The diagonal and lateral ski carrying system as well as a snowboard carrier with an adjustable stabilizing strap prevent your gear from slipping off your back and causing problems for your legs

150 denier poly-twill

Dual axle design for expanded range

Hydroflask 40 oz All Round Travel Tumbler Color:Moonshadow There's a hidden security pocketHydro Flask 40 oz All Around Travel Tumbler Large 40 oz capacity for all day hydration TempShield double wall vacuum insulation keeps drinks cold for hours Includes press in straw lid for easy sipping Ergonomic handle for comfortable carrying Designed to fit most cup holders Made with durable stainless steel construction BPA free and dishwasher safe