You won't want to take this Aviator Nation thermal off. Super soft and effortlessly rad.  All of our products go through an intense breaking-down process that gives them a vintage feel you'll love because it's broken in from day one of wearing it.  - Long Sleeves/Thermals are UNISEX sizing- Hand sewn in our own factory in the heart of Los Angeles- Tri-Blend Fabric: 50% polyester, 38% cotton, 12% rayon- Machine wash cold with like colors. Hang or tumble dry on low