1. Overview

The Primus Trail Flow Mid by Vivobarefoot is a premium midweight barefoot boot for men and women designed in the United Kingdom with excellent overall versatility.

Overall:

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Basic Details

Thickness	5.3mm	medium sole with moderate ground feel and protection.
medium sole with moderate ground feel and protection.
Flexibility	Great	lots of flex and balanced agility.
lots of flex and balanced agility.
width	Wide	supports natural toe splay and movement.
supports natural toe splay and movement.
Drop	0mm	flat sole for natural balanced movement.
flat sole for natural balanced movement.
Cushion	None	no foam or limit on sensitivity.
no foam or limit on sensitivity.

2. Features

The Vivobarefoot Primus Trail Flow Mid has a wide foot-shaped toebox, thin 5.3mm outsole, great flexibility, and firm ground tread, and is made with vegan, synthetic, rubber, sustainable, ethical, and recycled materials.

Price:

Weight:

Specifications

Demographic	M/W	men, women
men, women
Sizing	True	runs true, order you normal size.
runs true, order you normal size.
Materials	6	vegan, synthetic, rubber, sustainable, ethical, recycled
vegan, synthetic, rubber, sustainable, ethical, recycled
Toebox	Natural	foot-shaped toebox for natural toe splay.
foot-shaped toebox for natural toe splay.
Volume	Medium	ideal for low to mid arch/instep.
ideal for low to mid arch/instep.
Seams	Stitched	upper is stitched to the sole, which is more durable, but may let in some water (waterproofing sprays/waxes can help).
upper is stitched to the sole, which is more durable, but may let in some water (waterproofing sprays/waxes can help).

3. Performance

The Vivobarefoot Primus Trail Flow Mid provides great breathability, is waterproof, has a minimal tread that can last for 5000+ miles, and is ideal for hiking, trail running, backpacking, and walking in freezing, cold, warm, and hot climates.

Durability:

Specifications

Breathability	Great	stays mostly dry in mild climates.
stays mostly dry in mild climates.
Waterproofing	Full	fully resists rain, puddles, mud, and slush.
fully resists rain, puddles, mud, and slush.
Climate	10–100º F	warm, cold, freezing, hot
warm, cold, freezing, hot
Activities	4	hiking, trail running, backpacking, walking
hiking, trail running, backpacking, walking