A hot melt adhesive composition, comprising a blend of the following components: - in the range of from 10% to 30% by weight of an olefin block copolymer; - in the range of from 10% to 70% by weight of a first tackifying resin having a softening point of at least 95oC; - in the range of from 0 to 65% of a second tackifying resin, being different from the first tackifying resin; - in the range of from 0% to 60% by weight of a plasticizer; - in the range of from 0% to 20% by weight of an aromatic reinforcing resin having a softening point equal to or higher than 115oC; - in the range of from 2% to 35% by weight of a secondary polymer having relatively low crystallinity, which crystallinity, as measured by differential scanning calorimetry, is equal to or less than 250 Joules/gram, said secondary polymer being a polymer that is different from the olefin block copolymer, the first and second tackifying resins, and the reinforcing resin; and - in the range of from 0.1% to 5% by weight of a stabilizer; and optionally further comprising: - in the range of from 1% to 25% by weight of an auxiliary polymer selected from the group consisting of SB, SI, SIS, SBS, EVA, SEB, SEEPS, SIBS, SEBS, SEP, SEPS, SBBS and blends thereof, said auxiliary polymer being a polymer that is different from the olefin block copolymer, the first and second tackifying resins, the reinforcing resin, and the secondary polymer; - in the range of from 0% to 20% by weight of a wax selected from the group consisting of petroleum waxes, microcrystalline waxes, low molecular weight polyethylene and polypropylene, synthetic waxes and polyolefin waxes; - at least one synergist and/or at least one chelating agent; and - at least one optional additive; wherein the components total 100% by weight of the composition, and the viscosity of the composition, as measured via ASTM D3236-88, is equal to or less than 20,000 mPas at 163°C. - in the range of from 10% to 30% by weight of an olefin block copolymer; - in the range of from 10% to 70% by weight of a first tackifying resin having a softening point of at least 95oC; - in the range of from 0 to 65% of a second tackifying resin, being different from the first tackifying resin; - in the range of from 0% to 60% by weight of a plasticizer; - in the range of from 0% to 20% by weight of an aromatic reinforcing resin having a softening point equal to or higher than 115oC; - in the range of from 2% to 35% by weight of a secondary polymer having relatively low crystallinity, which crystallinity, as measured by differential scanning calorimetry, is equal to or less than 250 Joules/gram, said secondary polymer being a polymer that is different from the olefin block copolymer, the first and second tackifying resins, and the reinforcing resin; and - in the range of from 0.1% to 5% by weight of a stabilizer; - in the range of from 1% to 25% by weight of an auxiliary polymer selected from the group consisting of SB, SI, SIS, SBS, EVA, SEB, SEEPS, SIBS, SEBS, SEP, SEPS, SBBS and blends thereof, said auxiliary polymer being a polymer that is different from the olefin block copolymer, the first and second tackifying resins, the reinforcing resin, and the secondary polymer; - in the range of from 0% to 20% by weight of a wax selected from the group consisting of petroleum waxes, microcrystalline waxes, low molecular weight polyethylene and polypropylene, synthetic waxes and polyolefin waxes; - at least one synergist and/or at least one chelating agent; and - at least one optional additive;