Hydro Flask Micro 400 Boot 11jul26 Featuring our signature Ramskull embroidery

Featuring our signature Ramskull embroidery on a soft cotton fleece base and finished with cuffed hems and a drawstring waist – it’s time to relax

Formulated with a blend of AHA

Its anthracite black body features a starred sky

breathable foam that creates a smooth

Wool blend and velvet collar

Hydro Flask Micro 400 Boot 11jul26 Featuring our signature Ramskull embroideryTiny boot. Big style. Add some personality and extra protection to your Micro Hydro. The colorful, durable silicone Micro 400 Boot is specifically sized to fit the 400 mL 13. 5 oz Micro Hydro. Fits 400 mL 13. 5 oz Micro Hydro Removable, silicone boot adds extra protection and color to your Hydro Flask bottle BPA Free Dishwasher safe Not for use on a stove, in a microwave or freezer.