Women's Zero Singlet White / Iron Clothing Size:Large Altra's signature FootShape™ toe box

Altra's signature FootShape™ toe box provides maximum space

developed alongside ultra-trail athletes for the demands of long-distance trail running

The ultimate all-weather training tool

and genuinely cushioned

Wear it alongside a jacket or top

Women's Zero Singlet White / Iron Clothing Size:Large Altra's signature FootShape™ toe boxOn Zero Singlet Ultra Lightweight Performance for Race Day The On Zero Singlet is an ultra lightweight, moisture wicking vest engineered for race day performance. Built with On DryTec technology and athletic racer back styling, this singlet delivers distraction free running whilst keeping you dry and comfortable when pushing the pace. On DryTec Moisture Wicking Technology The technical fabric uses On DryTec to wick moisture away from skin, helping