Don't let the cold put an end to your winter workouts in this men's ColdGear Armour Compression Mock Longsleeve from Under Armour. Built with dual-layer ColdGear fabric that traps insulated warmth against your body, its fast-drying exterior enhances the signature Moisture Transport System for drier, more comfortable training system. 4-way stretch fabrication optimises the range of motion for unrestricted, limitless training sessions. With an updated mock neck complete with Armour wordmark, smooth, chafe-free flatlock seams minimise chafing and irritation so you can focus on pushing yourself without distractions, while anti-odour technology puts an end to odour-causing microbes for fresher wear longer.. Material: 87% Polyester/13% Elastane