Snowboard bindings

Union Astra Step On

2026-27 season

See it at PTO SkiPTOECO is operated by PTO Ski, which sells this item.

Specs

Flex (Union 1-10 scale)6Official
Weight1.60 kg per pairOfficial
Union rating - All Mountain9/10Official
HighbackS1 Step On W Duraflex STOfficial
FootbedNon-Stick HP EVAOfficial
Forward Lean (FLAD)Integrated 2-StageOfficial
HeelcupExtruded 3D AluminumOfficial
Boot compatibilityBurton Step On compatible boots ONLYOfficial
Board compatibility (mounting)4x2, ChannelOfficial
Mounting diskStep On 4x2 Disk, Step On Channel DiskOfficial
ColorsBlack, White, LilacOfficial
SizesS, M, LOfficial

Sizes