Grasshopper gaiters are made from hard-wearing 450D ripstop Polyester, their front opening provides easy access and a secure hook-and-loop closure. They are easy to put on and easily adjusted. 450D ripstop Polyester Easy access 38mm hook-and-loop front opening 316 stainless steel lace hook Dimensions (Height / Top Circumference / Boot Circumference): Small / Medium: 39cm / 41cm / 48cm Large / XL: 41cm / 45cm / 52cm Sizing Guide (EU): Small / Medium: 37 – 42 Large / XL: 41 – 47 Weight: Small / Medium: 185g Large / XL: 205g