REV'IT! Sand 4 H2O Black Long Leg Textile PantsSand 4 H20 Pants The Sand 4 H2O are an incredibly versatile pair of riding pants that will enable the most adventurous riders out there to explore the best roads and trails of the world on two wheels, in any environment, in any season. The Sand 4 H2O pants sport the same Swiss Army Knife like versatility as the jacket when it comes to features. From the outside in, you will find a highly abrasion resistant but lightweight outer shell equipped with