Providing warm, breathable protection from the winter elements, the Apex Balaclava features 200gm terry RealFLEECE® fabric, with corespun fibers and a touch of LYCRA® for durability and stretch.Features Merino Corespun - durable merino blend regulates body temperature in all weather conditions Ventilation flap Specs Product weight: One Size = 59 g / 2.08 oz Fabric content: 88% Merino Wool, 9% Nylon, 3% Elastane Fabric weight: 200 Lightweight Care: Machine wash warm. Wash with like colors. Do not use softeners. Fasten all closures to wash and dry. Do not bleach. Do not tumble dry. Line dry in shade. Warm iron. Dry cleanable.