The Instinct is the first shoe of the 33 series designed for the trail. The upper, like its cousin the Speedstar, uses a no-sew TPU lattice that completely covers the upper and is light as well as supportive. It uses the same midsole as the Speedstar, though here it’s just a bit livelier thanks to the 33 series’ Propulsion Trusstic, which offers energy return from the material’s recoil. The outersole effectively splits the difference between trail traction and road performance. The combination of characteristics makes a successful hybrid trail shoe that’s light enough for faster running with plenty of cushioned protection.
Price: $100 Sizes: Men 7–13,14,15; Women 5–12 Weight: 11.7 oz. (men’s 11); 9.6 oz. (women’s 8) Shape: semi-curved Construction: Strobel slip-lasted, SpEVA (EVA) Strobel board Recommended for: medium- to high-arched feet with neutral biomechanics