Elasticized lacing system accommodates varying instep heights

Made for being faster, lightweight and flexible, this race day shoe will have you ready to rocket through a tough speed workout and obliterate PR's.

Featuring a full-length carbon fibre plate that'll deliver a 14% increase in asymmetry, allowing a more natural and probably faster) stride. An increased stack height from 33mm to 36mm, with Altra EGO PRO midsole foam that's 32% lighter in weight. This updated foam is more pliable, for additional cushioning and response here it's needed.

A redesigned overhaul combined with additional flex grooves in the outsole provides 75% improved flexibility. The roomier toe box will give your toes more space to move freely, a snugger midfoot, and zero drop will move the way you were designed to.

Key Features:

• Full-length carbon fibre plate
• Altra EGO PRO foam cushioning
• Outsole flex grooves
• Roomy toe box
• Zero drop

Proprietary cushioning cells compress uniformly under varying weights