A hot melt composition comprising the reaction product of: A) a resin linear organosiloxane block copolymer comprising: 40 to 90 mole percent disiloxy units of the formula [R 1 2 SiO 2/2], 10 to 60 mole percent trisiloxy units of the formula [R 2 SiO 3/2], 0.5 to 35 mole percent silanol groups [≡SiOH]; wherein: each R 1, at each occurrence, is independently a C 1 to C 30 hydrocarbyl, each R 2, at each occurrence, is independently a C 1 to C 20 hydrocarbyl; wherein: the disiloxy units [R 1 2 SiO 2/2] are arranged in linear blocks having an average of from 10 to 400 disiloxy units [R 1 2 SiO 2/2] per linear block, the trisiloxy units [R 2 SiO 3/2] are arranged in non-linear blocks having a molecular weight of at least 500 g/mole, at least 30% of the non-linear blocks are crosslinked with each other, each linear block is linked to at least one non-linear block; and the organosiloxane block copolymer has a weight average molecular weight of at least 20,000 g/mole; and B) a capping agent of the formula R 5 SiX 3 wherein R 5 is an organohydrogensiloxane or a vinyl functional organosiloxane; X is a hydrolyzable group chosen from -OR 6, Cl, -OC R 6, -N(R 6) 2, or -ON=CR 6 2, wherein R 6 is hydrogen or a C 1 to C 6 alkyl group. A) a resin linear organosiloxane block copolymer comprising: 40 to 90 mole percent disiloxy units of the formula [R 1 2 SiO 2/2], 10 to 60 mole percent trisiloxy units of the formula [R 2 SiO 3/2], 0.5 to 35 mole percent silanol groups [≡SiOH]; wherein: each R 1, at each occurrence, is independently a C 1 to C 30 hydrocarbyl, each R 2, at each occurrence, is independently a C 1 to C 20 hydrocarbyl; wherein: the disiloxy units [R 1 2 SiO 2/2] are arranged in linear blocks having an average of from 10 to 400 disiloxy units [R 1 2 SiO 2/2] per linear block, the trisiloxy units [R 2 SiO 3/2] are arranged in non-linear blocks having a molecular weight of at least 500 g/mole, at least 30% of the non-linear blocks are crosslinked with each other, each linear block is linked to at least one non-linear block; and the organosiloxane block copolymer has a weight average molecular weight of at least 20,000 g/mole; and 40 to 90 mole percent disiloxy units of the formula [R 1 2 SiO 2/2], 10 to 60 mole percent trisiloxy units of the formula [R 2 SiO 3/2], 0.5 to 35 mole percent silanol groups [≡SiOH]; wherein: each R 1, at each occurrence, is independently a C 1 to C 30 hydrocarbyl, each R 2, at each occurrence, is independently a C 1 to C 20 hydrocarbyl; each R 1, at each occurrence, is independently a C 1 to C 30 hydrocarbyl, each R 2, at each occurrence, is independently a C 1 to C 20 hydrocarbyl; wherein: the disiloxy units [R 1 2 SiO 2/2] are arranged in linear blocks having an average of from 10 to 400 disiloxy units [R 1 2 SiO 2/2] per linear block, the trisiloxy units [R 2 SiO 3/2] are arranged in non-linear blocks having a molecular weight of at least 500 g/mole, at least 30% of the non-linear blocks are crosslinked with each other, each linear block is linked to at least one non-linear block; and the organosiloxane block copolymer has a weight average molecular weight of at least 20,000 g/mole; and the disiloxy units [R 1 2 SiO 2/2] are arranged in linear blocks having an average of from 10 to 400 disiloxy units [R 1 2 SiO 2/2] per linear block, the trisiloxy units [R 2 SiO 3/2] are arranged in non-linear blocks having a molecular weight of at least 500 g/mole, at least 30% of the non-linear blocks are crosslinked with each other, each linear block is linked to at least one non-linear block; and the organosiloxane block copolymer has a weight average molecular weight of at least 20,000 g/mole; and B) a capping agent of the formula R 5 SiX 3 wherein R 5 is an organohydrogensiloxane or a vinyl functional organosiloxane; X is a hydrolyzable group chosen from -OR 6, Cl, -OC R 6, -N(R 6) 2, or -ON=CR 6 2, wherein R 6 is hydrogen or a C 1 to C 6 alkyl group. wherein R 5 is an organohydrogensiloxane or a vinyl functional organosiloxane; X is a hydrolyzable group chosen from -OR 6, Cl, -OC R 6, -N(R 6) 2, or -ON=CR 6 2, wherein R 6 is hydrogen or a C 1 to C 6 alkyl group.