UV resistant, clear, moisture curable silane functional polyolefin-based compositions, articles including the same, and methods of using the same

A moisture curable composition that includes a silage functional polyolefin, a first thermoplastic polymer that includes a thermoplastic elastomer selected from the group consisting of block copolymer selected from the group consisting of styrene-ethylene-butylene-styrene block copolymer, styrene-ethylene-propylene-styrene block copolymer, and combinations thereof, the block copolymer including no greater than 30 mole % styrene, saturated ethylene alphaolefin copolymer, butyl rubber, and combinations thereof, and polybutene having a number average molecular weight less than 5000, the composition being clear and resistant to ultraviolet light.