Black and amber technical sports top.  Unisex.  Compulsory item.

Sizing information:

LY = chest size (to fit) 30/32inches or 76/81cm
XLY = chest size (to fit) 32/34inches or 81/86cm
Small = chest size (to fit) 34/36inches or 86/91cm
Medium = chest size (to fit) 38/40inches or 97/102cm
Large = chest size (to fit) 42/44inches or 107/112cm
XLarge = chest size (to fit) 46inches or 117cm