The Andersen Andersen half zip Troyer is made from 100% Merino Wool - extra spun and tight knitted for extrem durability. This style has a regular fit with high collar and extended sleeve rip with thump holes.  
We say it's one of the best sailor sweater on the market.

It fits also Ladies. 
XS is a ladies medium size
S  is a ladies large size 

• 100% Merino Wool 
• Nickel- free zipper
• Knitted on 5 gauge flat knitting machines
• 6 threats extra spun merino wool for durable quality.