2-Piece Lightweight Thermal Set Of Both A Thermal Top And Bottom Made Of Premium Fabric, Thermals For Men Have Smart Odor Control To Prevent The Spread Of Smells You Can Remain Confident That Wearing These All Day Won't Cause Any Problems For Even More Added Comfort, Long Johns For Men Thermal Have No Tags, Which Reduces Any Skin Irritation You Can Slip Them On And Off Easily And Can Be Worn Under Your Clothes For Added Insulation Regular-Fit Design Materials: 60% Cotton & 40% Polyester Care Instructions: Machine Washable 2-piece set Elastic waistband Crew neck Solid Imported Material & Care cotton/polyester Machine washable