Diora Calvin Motorcycle Boots - Black/White/Red The Diora Calvin motorcycle boots are a great choice for sports touring riders looking to ride in comfort. A fully waterproof & breathable Hipora membrane ensure that your feet remain dry and comfortable at all times. The short motorbike boots are constructed with quality leather and microfibre, delivering the best of both worlds. Safety is assured through ankle cups, reinforced toe and heel areas as well as double stitching in high stress areas. Reflective inserts ensure that are visible during night time riding too. Waterproof Motorcycle Boots Features: C.E Approved EN13634:2017. Quality Leather & Microfiber Construction. Waterproof and breathable membrane. Air mesh padded lining. Ankle cup. Full lace up front with Velcro strap fastening. Hot welded rubber sole. Double stitched in high stress areas. Reinforced toe and heel areas. Reflective insert.