FEATURES of the Five Ten Men"s Canyoneer SAR Boot A quick-drying, lightweight mesh and neoprene upper is combined with the unbeatable friction of a co-molded Stealth C4/S1 outsole The SAR is built for professional water rescue teams with a non-metallic toe cap and penetration-resistant sole SPECIFICATIONS of the Five Ten Men"s Canyoneer SAR Boot Weight: 19.2 oz / 545 g Upper Material: Synthetic Midsole: Compression Molded PU Closure: Buckle and TPR Strap