100% Ultra-Soft Polyester Thermal Sets Have The Perfect Blend Of Comfort, Warmth, Elasticity, and Moisture Protection Machine Wash 4 Pieces: Includes 2 Fleece Lined Long Sleeve Tops and 2 Fleece Lined Long John Bottoms. Great for Winter Outdoor Sports: Highlighted Stitch Makes The thermal Top and Pant Sporty, Good For Outdoor Activities Like Skiing, Hiking, Camping, Snowboarding Or As A Winter Pajama Set At Home. Base Layer: Slim body fit, 360-degree draping technology, Fully Fit for The Human Body Curve. Gives You A Simple Seamless Look Underneath Your Clothes Strechable: Four-way stretch and Fleece Lining Gives You The Needed Warmth Without Thick Or Heavy layers. The suit can be repeatedly washed without shrinking. Machine wash, dries quickly. Elastic Thermals: Elastic Waist On Thermal Pants Offers Absolute Comfort While Leaving No Mark To You.