Trekmates Mummy Polyester/Cotton Travel Liner On the back of the

On the back of the whistle is a thermometer that accurately tells the temperature and inside is a magnifier that is useful for reading maps or viewing details on items

So whether you're hard at work or hard at play

solid fit for tackling challenging trail sections without load wobble

The revolutionary optical water sensor doubles as an integrated LED flashlight for added convenience on the trail or around the campsite: hold down the activation button for three seconds to illuminate the darkness

Trekmates Mummy Polyester/Cotton Travel Liner On the back of theThe Trekmates Polyester Cotton Travel liner is available in two shapes. The liner is perfect for adding extra warmth to your sleeping bag and is breathable, soft and comfortable. Using a liner means you'll prolong the life of your sleeping bag and make sure you always get a good night's sleep!