BSN SPORTS Youth Practice Football Jersey Own the field in BSN’s 100% Poly Practice Jersey. Medium weight dazzle warp knit sleeves and double ply yoke. Double ply, Premium ribbed mitered V-Neck. Moisture management performance fabric. Antimicrobial garment. Cool, Breathable Mini Porthole Mesh Body, Stretch Fabric. Finished elastic sleeve and double-needle hemmed bottom. Coverstitched and bartacked for optimum durability.