Protective Leg and Footwear Protective Leg and Footwear SPT039 Aluminised Knee Spats with hook and loop fastening. Knee spats give lower leg protection. Suitable for Laboratory and Foundry use. Protection from molten metal splash entering boots or shoes. SPT036 Knee Spats. Woven aramid, hook and loop fastening. BOOT01 Heat Protective Boots. BOOT02 Aluminised Heat Protective Boots. TSR035 Trousers, aluminised, wool lined, adjustable straps.