Hydroflask 21 oz Standard Mouth Stone Men's Beanie It meets the ASTM F2413

It meets the ASTM F2413 Protective toe classification

Rib-knit storm cuffs help keep out the cold

set the digital LED display to your ideal temperature

Cup holders in the chairs and side table keep drinks cool and handy

twice as strong as fluorocarbon

Hydroflask 21 oz Standard Mouth Stone Men's Beanie It meets the ASTM F2413Stainless steel and cupholder compatible, the reusable, refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun. 24 hours cold, 12 hours hot TempShield double wall vacuum insulation Leakproof when closed Pure taste, no flavor transfer Durable stainless steel Fits most cupholders BPA Free Dishwasher safe Not for use on a stove, in a