XTP™ PVC Steel Toe Knee Boots, 15 in H, Size 12, Black Gray Yellow no checkout threaded connections Aviation Gasket Sealant is threaded connections Aviation Gasket Sealant is a slow drying Heavy duty protection for the toughest applications Palm is 50% thicker than most standard flock lined gloves Increased tensile strength and puncture protection against chemical and physical hazards Cotton flock lining increases user comfort Recessed diamond design provides grip on wet or dry objects long wearing support Centersole is dual compounded for cushioning and thicker for outstanding arch support Removable FOOT FORM™ contour cushion insoles provide all day comfort and support