Potter's apron with adjustable neck strap.
 
Top of Bib to Hem:  98cm
Width: 63cm
Ties: 96cm long
Cotton Lycra fabric with herringbone tape ties
Front split for wheelwork

The fabric pictured is the 'Original'. 
 
2)  Lightweight version is a tough cotton-lycra - colouring similar to the original pictured
 
3)  Super Lightweight - the current ones have light coloured thin nylon fabric, semi waterproof with light coloured straps (cream).