It's not what it seamless. It's the illusion of feeling like you are wearing nothing at all for me! Extremely soft material with no seams whatsoever make this the underwear that you did not know you needed.

Features

• Material: 80% Polyamide, 20% Spandex   
• Super Light-weight And Next-to-skin Feel   
• Seamless Garment Technology   
• Machine wash cold Tumble dry or Hang dry
• Studio Model is 6'1 and wearing size M