Base K-Trek B1005 S1P SRC BOA work boots size 44.

Base K-Trek B1005 S1P HRO SRC work footwear in black-blue, size 44.BoA fastening and revolutionary i-daptive systemi-daptive is an intelligent system that adapts to the foot to provide an incredible sense of dynamic comfort. The i-daptive system works on several levels:provides stability to the foot and, in the event of small lateral oscillations, corrects the axis of the foot, returning it to its optimal position makes walking easier, giving smoothness to the transition between toes, through a modular process called "variable geometry"adapts to rough, uneven ground surface, behaving like an active suspension that cushions and reduces repercussions on foot stabilityi-daptive has a variable behavior that changes according to the type of work to ensure safety and comfort in all conditionsFeatures:Antistatic footwearFootwear with 200 J of toecap resistancePuncture-resistant soleAmortization under the heelHeat resistance for 1 minute up to 300°CHydrocarbon resistanceOrthopedic and tailored insoles, Compliant with European standards DGUV112-191MaterialsOppers: Breathable materialLining: Anti-odor and anti-microbial SmellStopMidsole: Fresh'n FlexFootbed: AluminumSole: i-daptive PU Technology/GRO Rubber.