Perform Beta-Alanine waterproof the KSO EVO is one

the KSO EVO is one of three shoes that round out our new category: Max-Feel

Fully waterproof construction with inner taped seams to keep rain out

Suitable for beginners through to experienced runners

an improved ergonomic fit

Made with at least 50% recycled materials to reduce waste and carbon emissions

Perform Beta-Alanine waterproof the KSO EVO is oneThe Perform Beta Alanine is a pure, high quality performance supplement designed to help you train harder for longer. By increasing muscle carnosine levels, it helps buffer the build up of acid during intense exercise, delaying muscle fatigue and allowing you to sustain higher training intensities. Ideal for HIIT, sprinting, CrossFit, HYROX and strength training, it's a simple, science backed way to improve endurance, maximise performance and get more