The Under Armour UA Valsetz RTS 1.5 Side-Zip Tactical boots are constructed from lightweight and durable synthetic leather. The ClutchFit ankle support system contours and supports the foot. A medial side zip makes for easy entry. The TPU toe cap adds protection while welded PU film surrounds the perimeter of the boot for abrasion resistance. Other features include an OrthoLite molded anti-microbial sockliner, Ultralight Micro G EVA midsole for all day comfort, TPU shank for torsional rigidity and high traction rubber lug outsole for a wide range of conditions.