Features of the Icebreaker Women's 260 Zone Long Sleeve Crewe Top Lycra content for stretch and mobility Zoned body mapping Technology for optimal thermal regulation Strategically placed merino mesh for ventilation Flatlock seams prevent chafing Raglan sleeve construction for mobility Underarm gusset for comfort and mobility Dropped front and back hem for added coverage Icebreaker heat transfer logo Comfort, warm, breathable, odour resistant, moves with you Fabric Details Body: 97% Merino wool, 3% Lycra Panels: 100% Merino wool Eyelet: 98% Merino wool, 1% Lycra, 1% Nylon