Slip this Merino Wool base layer over your favourite bra or tank to stay warm without overheating post workout. merino wool Sweat-wicking Merino Wool is soft, naturally insulating and will help regulate your temperature naturally insulating temperature regulating sweat-wicking soft handfeel naturally breathable features Designed for: Office Travel Commute Ventilation: Engineered Mesh is placed in high-sweat areas High neck: High neck helps keep you warm Chafe-free: Flat seams Fit: Slim fit, high-hip length