balletballet says:

Really comfortable footless tights, perfect for rehearsal or the show itself.

Manufacturer says:

Fabulous choice of footless tights for adults! Perfect for a wide range of dance styles and performances
Hold & Stretch tights are semi-opaque, with excellent support and durability
Features a comfortable 1" plush waistband and dyed to match gusset
Hand wash cold, hand dry
Fabric: 88% Nylon/ 12% Spandex
Colours: Black