The Long Fall Boots were designed to minimize impact damage and protect the ASHPD from costly repairs! Not to mention, it has the added benefit of protecting human Test Subjects from injuring themselves! The Aperture Long Fall Socks may not have the technology to protect you from falls, but you can look the part! Knee High, Poly/Acrylic Blend. Adult sized, fits most. Warning: Socks not guaranteed to prevent bodily injury incurred while testing with aerial faith plates and excursion funnels.