Smartwool Thermal Merino Long Neck Gaiter 4017-SW017999 Dial up the warmth with our Merino 250 Long Neck Gaiter. Our heaviest weight 100% Merino fabric combines with a double layer interlock knit to take the frigid out of any storm. Double layer interlock knit for maximum warmth and versatility Knit in Vietnam: 100% Merino Wool Garment Weight: 60 g = 2.12 oz Smartwool Thermal Merino Long Neck Gaiter