1L Narrow Mouth Tritan Sustain Size:1L Green whistle lets you know

Green whistle lets you know when your water has boiled

Insulated shoulder pockets keep flap wrapped around you and seals out draughts

IP44 rating makes it suitable for outdoor and bathroom use

Larger size allows you to burn more fuel

including larger accessories

1L Narrow Mouth Tritan Sustain Size:1L Green whistle lets you knowTough, leakproof bottle made from recycled plastic Were done with single use plastic in fact, we stopped buying bottled water years ago. And thus began the quest for the ultimate water bottle. A quest that went on and on until we discovered Nalgenes latest line of Sustain bottles. Just as tough and rugged as the iconic originals famed for their near unbreakable toughness and leakproof design but now made from 50% waste plastic. In fact, Nalgene are