The Andersen-Andersen half zip Troyer is made from 100% Merino Wool - extra spun and tight knitted for extreme 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 sweaters on the market.

It also fits 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 threads extra spun merino wool for durable quality.