It has a extra sealing grooves that help prevent leaking

Internal and external shaped ankle pads

but available here as an optional accessory)

high resistance to aging

Fox Racing - Youth Energy Blast Premium Tee past type tag-Cleaners / Care It has a extra sealingGo all out with the Youth Energy Blast Premium Tee. This T shirt is lightweight and soft and features side seam construction to help keep its shape no matter how many times you wash it. Made from premium fine knit jersey material, its refined look combines classic Fox style with supreme comfort and is sure to become an instant fave in your T shirt collection. Features Side seam construction maintains the integrity and structure, wash after wash 100%