Women's Icebreaker ZoneKnit 260 Long Sleeve Crewe Base Layer - Performance 260gsm Merino Wool Merino Wool at it's most effective and sophisticated best. Made for high octane days on the slopes, on the roads and in the saddle. The Women's Winter ZoneKnit warmest Long Sleeve Crewe base layer aimed at those with an active lifestyle that seek a natural fibre garment but with a level of technical specification to meet the demands of your sport. This item is a blend of 100% Merino Wool in an 18 Micron super smooth 260gsm weave front panel providing the warmest structure and the rear is structured using vented eyelet Merino Wool for moisture management and increased garment ventilation for running, cycling and any other active sport. Structured thumb hole cuffs for added hand protection and a stylish dropped front & back hemline for added coverage. Vented ZONES under the arms and strategic areas of the back are made from laser meshed soft 200gsm Merino Wool to facilitate heat and moisture to disperse readily and where moisture control is needed more. Super soft flatlock seams throughout and Raglan sleeve shoulders for zero interference and a flattering fit without restriction. Icebreaker's legendary Ethical production and wool source applied and a superb quality piece you'd be happy being seen in any day of the week.