У вашего броузера проблема в совместимости с HTML5
Genuine Reinforced Heel and Toe stockings in 100% Nylon. You cannot get closer to a fully-fashioned stocking style without a seam.
Our customers love 100% nylon and this subtle, seamless variant is the chosen alternative. For many RHT are the only choice. Reciprocated heel reinforcement and reinforced toe. 15 denier construction using the sheerest of yarns in 100% Nylon specifically matched to give an appearance as stylish as our fully-fashioned stockings.
https://www.touchable.co.uk/stockings/reinforced-heel-toe-stockings/reinforced-heel-toe.html