Bridgedale Explorer Heavyweight Merino Boot Sock Olive Footwear Benefits of yellow lenses are

Benefits of yellow lenses are increased contrast

Vermillion lens light transmission: 50%

This helps to regulate the temperature and means the bag can be used in a wider range of temperatures than other sleeping bags

Colour: VCam Camouflage

There are two slanted front pockets with flap and press-stud closure as well as 2 inner pockets and a handy utility/pen pocket on the sleeve

Bridgedale Explorer Heavyweight Merino Boot Sock Olive Footwear Benefits of yellow lenses areThe Bridgedale Explorer heavyweight merino wool boot socks offer maximum warmth and excellent cushioning making them perfect for cold winter walks and expeditions. An elasticated arch and 3D shaped heel cup add support as well as comfort and the performance fit ensures your sock will not move around on the foot. Insulated flat toe seams prevent cold air seeping in and reduce friction that can lead to blisters on long walks. The Merino Performance