3 Pack Boys' Girls' Compression Shirts Youth Long Sleeve Undershirt Sports Performance Moisture Wicking Baselayer Sets Black/White/Navy M

85% Polyester/15% Spandex (Lycra, elastic fabric), Machine washable.

Ultra soft and super elastic material provides tight fitting, locked-in support for the muscle, like the second skin. Keep warm in cool days (no fleece, not available for very cold days) while keep cool in hot days.

Moisture-wicking fabric technology evaporates moisture fast, offers comfortable dry wear.

Smooth flat seams help reduce chafing, while the durability is great. Crew neck design, easier to put the shirt one.

Perfect for soccer, baseball, ice hockey, basketball, football, running and other activities in all seasons. Size Chart: XSmall=US Size 6-6X / Small=US Size 7-8 / Medium=US Size 10-12 / Large=US Size 14-16 / X-Large=US Size 18-20.