Men's Sonicblast (400 - Winter Sea/Stillwater) Size:9 A comfort-driven style designed for

A comfort-driven style designed for downtime

Altra went all in on tech so you can go all out on the trail

Running short leggings made in part with recycled materials

Compression sock care instructions

Maintaining the same responsive

Men's Sonicblast (400 - Winter Sea/Stillwater) Size:9 A comfort-driven style designed forThe SONICBLAST shoe offers a lightweight and responsive ride that makes it functional for tempo runs and your daily training. The midsole features a two layered foam with FF BLAST MAX and FF TURBO cushioning to help create a lightweight, bouncy, and advanced cushioning running experience. Additionally, an ASTROPLATE propulsion mechanism is centered in the foam. This helps propel your momentum forward, creating a faster feel underfoot. Style 1011C083