Vango nitestar 250 mummy sleeping bag single offering a combination of performance and quality the mummy shaped nitestar bag will deliver excellent value included among its many features is a double layer of insulation for extra warmth this 2 3 season dofe and scouts recommended bag is an ideal choice for youth groups and first time expedition use more info 210t diamond embossed polyester a strong 100 polyester with a diamond embossed design off set double layer constru