Chunky Pile Crew Made with warmth and softness in mind, these thick, low-gauge socks feature full-pile knitting from toe to cuff. The fabric is plush and cozy, with a smooth texture and great stretch—ideal for chilly days. Construction : Terry knitting Composition : 63%Cotton 27%Acrylic 9%Polyester 1%Spandex COO : Made in Japan Size guide : Size Medium : Length 9.5" and fit best for 25-28cm feet, approximately US Men's size 7-10 Size Large : Length 10.5" and fit best for 27-30cm feet, approximately US Men's size 9-12