Smartwool Kids - Mid 250 Crew (Little Kids/Big Kids). Color Black. On sale for $57.50. MSRP $65.00.. 4.7 out of 5 starsAdd to favorites. 0 people have favorited thisBrand NameSmartwool KidsProduct NameMid 250 Crew (Little Kids/Big Kids)ColorBlackPrice$57.50MSRP: $65.00Rating5Rated 5 stars out of 5(51)