... S,M,L,XLFeatureKevlar on the bottom. It is an extremely strong material, used to manufacture gloves, sleeves, jacks, chaps ... and others articles of clothing, design to protect users from cuts , abrasions and heat. 2. Constructed ... while driving, surfing, swimming, biking or kayaking boating, skinning or any place you need warm feet,it can provide the athlete with extra traction ...