Lava Lamp Oracle (Retro G) RED Glycerin GTS 21: The outsole

Glycerin GTS 21: The outsole of the GTS 21 is designed for durability

Adrenaline GTS 23: The GTS 23 maintains a similar outsole design but with slight improvements in rubber placement and tread design for enhanced grip and flexibility

Weight: Weighing in slightly heavier than other neutral trainers

The roomy toe box is a highlight for runners with wider feet or those who need extra space

HRV status and more as soon as you wake up

Lava Lamp Oracle (Retro G) RED Glycerin GTS 21: The outsoleDESCRIPTION Translucent teal Retro Gs w green gradient lenses look smart, even when making questionable choices, e. g. allowing yourself to be guided by the molten wisdom of a vintage lava lamp. Don't trust the hypnotic glow of those sexy, morphing wax blobs!