Genuine Super Soft 100 Combed Cotton Fabric Shirinkage Controlled Patterned and Perfected to give max free movement Body size fit for max body comfort COTTON Compression Fit For an ultra-tight, locked-in feel, Keeping your blood flowingin the correct areas for improved efficiency. Elastic Waistband - This provides a snug and athletic fit. Flat-Lock Seams - Help reduce irritation from chafing.