Seirus Innovation Unisex Heatwave Skull Liner Hat Cap - One Size aid It's available in four sizes

It's available in four sizes from Small to X-Large

The single-density PU midsole is coupled with a comfort PU insole for excellent torsional structure over rough trails while offering great underfoot comfort for long days out

mud or whatever the day brings

without hindering movement

pulling and drilling* Hefty 13mm hardened steel shackle resists cutting

Seirus Innovation Unisex Heatwave Skull Liner Hat Cap - One Size aid It's available in four sizesThe Series exclusive Heatwave skull cap features a kinetic heat return system. The first dual stage heating system for head, hands and feet. The revolutionary heatwave process converts emitted kinetic energy into increased heat that reflects radiated heat back for more warmth.