Built on a trusted foundation of PWRTRAC rubber lugs and PWRRUN cushioning, the always-capable Saucony Peregrine 11 Men's Trail Running Shoe delivers a ride that feels both aggressive and responsive. The new 11th edition in the Peregrine collection offers an ultralight, durable top layer and internal air mesh bootie, making it one of the most comfortable and protected trail shoes yet.Features and Specifications Aggressive lugs made of PWRTRAC tacky rubber conform to dig in and confidently grip a wide variety of terrains. PWRRUN cushioning ensures a responsive yet protective feel to push uphill and bomb downhill with confidence. Rock plate that provides additional protection. Reinforced to protect feet from trail debris, the trail-specific FORMFIT design gives the perfect lock-down fit over uneven terrain. Weight: 264g each Saucony Men's Footwear Size Chart  USA 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 UK 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 EUR 41 42 42.5 43 44 44.5 45 46 46.5 47 48 JPN (cm) 26 26.5 27 27.5 28 28.5 29 29.5 30 30.5 31 CHN (mm) 260 265 270 275 280 285 290 295 300 305 310 Saucony Men's Peregrine 11 Trail Running Shoe