Featuring an innovative design with a refined construction

• Ventilation window on the back of the protector for additional ventilation

Ergonomically profiled for an optimized youth fit and with level 1 CE certified protection securely held in position via a dual strap closure system

Winter Tech Performance underwear is part of Alpinestars’ range of base layer underwear developed for core temperature regulation

the SMX-1 Air V2

kx bottom black Size:S/M Featuring an innovative design withPolypropylene fabric main construction. Hydrophobic construction for excellent breathability and moisture wicking to help keep the body cool and dry. Engineered for superior body temperature regulation.