metcon 4 black hyper crimson 27-643-10 The rubber sole is flexible

The rubber sole is flexible and durable

Mid-level flat perfect for everyday wear

Zipper at the back that makes it easy to put on

Sneakers have a convenient lace and velcro closure for easy on/off

so effortless about a pair of flats

metcon 4 black hyper crimson 27-643-10 The rubber sole is flexibleINCREASED STABILITY AND ENDURANCE. Men's Nike Metcon 4 Training Shoe comes with a new upper with zoned haptic pressure for increased durability and stability. Flywire technology gives you a fixed fit, while the sluggish rubber in the forefoot provides the best grip when running and training. Hapic pressure provides durability and stability. Flywire technology provides a clamped fit. Loose midsole provides a stable fit and feel. Mesh over the heel and