Leki thermolite xl antishock trekking pole pair your all rounder with super cushioning system the thermolite xl antishock offers you a full range of features comfortable aergon grips including thermal extension speed lock 2 for easy length adjustment antishock absorption and ultralight high strength aluminium shafts the dss antishock system reduces impact forces by up to 40 features series unisex construction vario grip aergon thermo thermo long strap lock secur