The Swede-O Strap Lok ankle brace has external figure eight straps which allow you to easily controland customize the amount of support as well as simulate professional taping. The exclusive dual eyelet lacing system is offset to create a "pulley effect", keeping the brace tighter longer. The top strap covers the laces and locks the figure eight straps in position. The full elastic back is comfortable against the Achilles tendon and helps reduce irritation and the potential for blistering. The breathable tongue helps keep the foot cool and comfortable. The Strap Lok is backed by an industry leading 1 year warranty and constructed from a durable ballistic nylon which is comfortable thin, and lightweight.