Allows for a softer Mizuno Wave Tenjin running shoes strike
The X-Claw 275's outsole is well-designed for wet, soft, technical terrain. As one wear-tester noted, "the lugs are softer than other Inov-8 shoes I've run in and provided a more forgiving connection with the ground that not only allows for a softer Mizuno Wave Tenjin running shoes strike, but also allows the lugs to wrap around rocks and roots on the trail. " Another wear-tester praised the dense, durable nylon upper as a feature that, "prevents dirt and debris from slowing you down and offers protection from water, mud, snow or anything else trying to ruin your run; the downside is less breathability for hot days. "
The Instinct has always been Altra's middle ground shoe in many ways鈥攏ot as light or stripped-down as the One, but not as cushy or protective as the Torin or Provision. Similarly, the Instinct 4. 0 stakes out a nice middle ground between performance and comfort; it can be used for some moderate tempo training, and can easily handle high mileage daily use. Performance benefits of the Instinct 4. 0 are specific for midfoot strikers; heel strikers will struggle to feel efficient in them. The updates to this model are all smart improvements, and current fans of this Altra line will be pleased with the result.
Altra goes "back to the future" with the latest version of its moderately cushioned zero-drop high mileage trainer. The last returns to the shape of the 1. 5 version, with the same moderately firm midsole responsiveness of early Altra models. Modernized updates to the upper make the shoe comfortable and breathable, and a new outsole configuration has more padding in the forefoot.