LIFA Active is a performance base layer, delivering superior moisture management and lightweight insulation for all your outdoor activities. The LIFA Active Crew Base Layer has an advanced 2-layer construction with 100% LIFA fiber next to skin and wicking technical fibers outside. All in all, an unbeatable combination for moisture management, lightweight warmth and all-day comfort. LIFA ACTIVE. 2-layer construction. Excellent moisture management properties. HH printed logo. HH Performance stripes. bluesign product. Oceanbound Recycled materials. Shell: 66% Polyester (Recycled), 34% Polypropylene. Machine wash in luke warm water - 40°C, Do not bleach, Do not tumble dry, Do not iron, Do not dry clean.