Mar 13, 2023 · 1h 24m · how-i-built-this
Xero Shoes: Steven Sashen and Lena Phoenix
gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
In this episode of How I Built This, host Guy Raz interviews Xero Shoes co-founders Steven Sashen and Lena Phoenix about how they transformed a homemade barefoot running sandal into a multimillion-dollar global minimalist footwear brand.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Guy holds 33.4% of the talking time here. How this is scored →
speaking balance: gold is Guy, purple is the guest (3 minute bins)
Steven immediately interrupts and rejects Guy's characterization of barefoot shoes as inherently tiny, asserting that human anatomy makes barefoot footwear the universal default across history.
Hardest push from Guy ▶ 22:00 Guy pressing on financial liability in VA notesGuy interrupts to press Lena on why they would still be liable if buyers default, forcing Lena to clarify the distinction between renting and selling under assuming mortgages.
Biggest teaching moment ▶ 49:40 Lena explaining manufacturing complexity in minimalist shoesLena educates Guy on why minimalist shoes are harder to manufacture than conventional shoes, explaining that thick foam midsoles allow standard brands to hide manufacturing defects with glue.
Guy holds their own ▶ 29:00 Guy contextualizing the history of running shoes vs natural formGuy summarizes the evolutionary and biomechanical thesis of Christopher McDougall's 'Born to Run', explaining the shift away from 1970s padded athletic shoes.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Guy as informed peer | Guest teaching | Guest disagreement | Guy pushing back | Why |
|---|---|---|---|---|---|---|
| Steven's Early Years: Gymnastics, Magic, and Stand-Up Comedy | 0 | 0 | 0 | 0 | Guy Raz facilitates the narrative about Steven's early career in comedy and transition from Duke to New York. Steven shares colorful anecdotes in a relaxed, cooperative storytelling mode. | |
| Developing ScriptWare Software and Entering Internet Marketing | 1 | 1 | 1 | 1 | Guy asks about ScriptWare's commercial viability and competition, jokingly asking if competitors built a better mousetrap. Steven explains the cutthroat reality of dealer margins locking him out. | |
| Life Philosophy, Passive Income Goals, and 'Disc Doctors' | 1 | 1 | 1 | 0 | Guy asks what grand objective drove Steven during his varied Boulder ventures. Steven reframes the question, clarifying that he lacked an overarching grand strategy and was simply following Joe Dominguez's early retirement philosophy. | |
| Courting Lena Phoenix and Establishing a Partnership | 1 | 1 | 2 | 1 | Guy humorously probes their relationship origins and assumes they were immediately an item. Lena and Steven laughingly correct his premise, recounting Steven's persistence and Lena's initial skepticism. | |
| The VA Repo Note Business and Financial Turbulence | 1 | 2 | 1 | 2 | Guy drills into the mechanics and risks of assuming VA repo notes, occasionally mischaracterizing the buyers as renters before Lena and Steven clarify the financial structure. | |
| Mid-Show Break: The 5K Run That Sparked an Idea | 0 | 1 | 0 | 0 | Guy sets up Steven's return to sprinting in his 40s. Steven explains how conventional cushioned footwear repeatedly caused injuries before he encountered barefoot running. | |
| The 'Born to Run' Movement and First Sandal Kits | 2 | 2 | 1 | 1 | Guy provides background context on Christopher McDougall's 'Born to Run' and indigenous footwear. Steven and Lena explain why Vibram FiveFingers failed them and how homemade Tarahumara-style rubber sandals solved the issue. | |
| Launching 'Invisible Shoes' and Guerrilla Marketing | 1 | 1 | 0 | 0 | Lena and Steven detail launching 'Invisible Shoes', using SEO video tutorials and guerrilla business cards tucked into McDougall's books to generate early kit sales. | |
| Bootstrapping Operations and Committing to the Business | 1 | 2 | 1 | 1 | Guy suggests the barefoot running market was tiny, prompting Steven to push back by explaining that minimalist footwear appeals broadly beyond running to everyday comfort. | |
| Initial Custom Outsoles and the Korean Mold Flaw | 1 | 2 | 0 | 1 | Guy asks why manufacturing a simple piece of rubber outsole proved so complicated. Lena educates him on how minimalist shoes cannot hide molding defects with layered EVA foam or glue. | |
| Mid-Show Break: The Pivot Ahead | 0 | 0 | 0 | 0 | Guy recaps the Korean factory failure and introduces the pivot to a Chinese manufacturing agent and rebranding to Xero Shoes. The founders recount being blacklisted by Korean molders. | |
| The Shark Tank Phenomenon and Dennis Driscoll's Expertise | 1 | 1 | 0 | 1 | Guy discusses the Shark Tank appearance and Kevin O'Leary's lowball offer. Lena and Steven discuss the media wave that followed and partnering with former Crocs designer Dennis Driscoll. | |
| Designing Closed-Toe Shoes and Customer-Driven Growth | 1 | 2 | 0 | 0 | Steven describes gathering thousands of customer foot tracings to build custom foot-shaped shoe lasts. Lena explains the difficulty of convincing traditional factories to omit stiff heel counters. | |
| Navigating China Tariffs, $5M Debt, and TZP Investment | 1 | 2 | 0 | 0 | Lena explains the high-stakes balancing act of personally guaranteeing $5 million in debt during China tariff surges before turning it into an advantage when the pandemic shut down factories. | |
| Disrupting Footwear and Gaining Health Perspective | 2 | 2 | 1 | 1 | Guy questions how Xero can scale in a tiny subsegment of a massive global industry. Steven and Lena reject the niche classification, noting crossover appeal to athletes, celebrities, and kids, before Steven opens up emotionally about a recent health scare. | |
| Reflections on Luck, Hard Work, and Steven's Recovery | 1 | 1 | 0 | 0 | Guy asks his standard closing question on luck versus hard work. Lena and Steven break down how both play an interdependent, 100% role in entrepreneurial survival. |