Sized by shoe size.

Features:
 - Climacool keeps you cool and dry when you heat up; Mesh ventilation inserts help manage moisture
 - Techfit delivers supportive arch compression for a snug, secure fit
 - Formotion anatomical design supports optimal movement of the foot, and left/right construction offers greater comfort in motion
 - Anti-slip yarn on cuff for a stay-put fit
 - ECONYL® regenerated yarn is made from recycled fishing nets and other discarded nylons;  - Engineered 3-Stripes; Engineered adidas Badge of Sport on front
 - 50% nylon / 45% polyester / 5% elastane