Uniqlo HEATTECH. A total of 5 items. - Black Extra Warm Crew Neck Long Sleeve (M size), I think it's the Ultra Warm type. - Gray Extra Warm Crew Neck Long Sleeve (M size) - Black Extra Warm Crew Neck Long Sleeve (M size) - Navy Crew Neck Long Sleeve (M size) - White Crew Neck Short Sleeve (M size) HEATTECH HEATTECH EXTRA WARM