STAX. Core, the evolution of STAX. 'Best Black' collection. New designs & new colours, made to support your lifestyle. Feel your strongest & most empowered in our NANDEX pieces, sizing from xxs - 4xl. NANDEX ™ fabric - our famous 'best black tights' fabric ('leggings' for our international shoppers) Long sleeve, bolero design Thumb hole feature Printed STAX. logo Model 1: Angie wears a size XS and is 173cm tall, Bust 97cm, Waist 73cm, Hips 91cm.Model 2: Laura wears a STAX size M and is 162cm tal Sleeve Bolero, Best Black, Black Tights, Thumb Holes, Light Grey, Tights, Leggings, Grey, Long Sleeve