Product Development Manager, SMU

Kith Retail LLC; United States; On-site; USD 100,000 - 120,000; Full time

Job summary

Kith is seeking a Product Development Manager, SMU in Williamsburg, NY to lead end-to-end development for apparel and graphics, ensuring margins, quality, design intent, and calendar milestones are achieved. This role requires strong organizational skills and proactive communication in a fast-paced environment.

You will oversee the seasonal development pipeline, mentor the Product Development Associate and Assistant, and partner with Design, Production, and cross-functional teams to maintain

Qualifications

• 3-5 years of product development experience.
• Experience in men's apparel development preferred.
• Deep understanding of garment construction, fit, costing, fabric development, and global sourcing/manufacturing.

Responsibilities

• Provide daily direction, coaching, and performance management for the development team.
• Identify operational gaps and implement process improvements to enhance transparency and cross-functional alignment.
• Manage the product lifecycle from sketch through pre-production samples with Design, Production, and partners.
• Review weekly progression with Design and Materials teams, ensuring timelines, fabrics, trims, and allocations meet targets.
• Own development trials for new techniques, materials, or constructions each season.
• Oversee trim, lining, denim, and yarn libraries across factories.
• Ensure accuracy of tech packs, BOMs, costing sheets, and style data in PLM and systems.
• Manage seasonal trim development including tracking and reviewing TDS for accuracy.
• Maintain complete product data in PLM and internal systems.
• Build and maintain seasonal WIP with confirmed collections.
• Lead cross-functional meetings to align priorities and resolve roadblocks.

Skills

Leadership

Cross-functional collaboration

Project management

Analytical thinking

Communication

Detail-oriented

Tools

PLM systems

Adobe Creative Suite

Microsoft Office

Job description

Location: HQ - Williamsburg, Brooklyn

Status: Full-time / 100% on-site

Compensation: $100,000 - $120,000 annually

Position Summary: The Product Development Manager, SMU leads the end-to-end development process for special projects (apparel and graphics) from initial concept through final sample approval and production handoff. This role is responsible for ensuring margin targets, quality standards, design intent, and calendar milestones are achieved while driving operational excellence and cross-functional alignment. The Manager oversees the seasonal development pipeline, strengthens global vendor partnerships, and provides direct leadership and mentorship to the Product Development Associate and Product Development Assistant. The ideal candidate is highly organized, detail-driven, and thrives in a fast-paced, collaborative environment where precision and proactive communication are essential to success.

RESPONSIBILITIES

• Provide daily direction, coaching, mentorship, and performance management for the Product Development Associate and Product Development Assistant.
• Identify operational gaps and implement process improvements to enhance transparency, speed, and cross-functional alignment.
• Manage the product lifecycle from initial sketch through pre-production samples, collaborating closely with Design, Production, and cross-functional partners.
• Meet weekly with Design and Materials teams to review outstanding collections, development status, timelines, fabrics, trims, and allocation needs.
• Own launching development trials for new techniques, materials, or constructions as needed each season.
• Oversee and maintain trim, lining, denim, and yarn libraries across all factories.
• Oversee the accuracy of tech packs, BOMs, costing sheets, and all style information within PLM and internal systems.
• Manage seasonal trim development, including requesting, tracking, and reviewing TDS for accuracy, and flagging any discrepancies, as well as the Trim Development Tracking Chart.
• Maintain accurate and complete product data within PLM and internal systems.
• Build and maintain seasonal WIP once collections are confirmed, ensuring all style details are accurate and up to date.
• Manage all proto, fit, SMS, and costing rounds to ensure quality, design integrity, and margin targets are met.
• Own and enforce adherence to seasonal calendars, proactively anticipating risks and driving timely solutions.
• Ensure samples align with design intent, quality standards, and timeline requirements.
• Communicate daily with vendors and factories regarding development status, samples, pricing, MOQs, and both sampling and bulk timelines.
• Review weekly factory WIPs and update shared tracking tools accordingly.
• Support cost analysis, margin targets, and pricing discussions, leading cost negotiations with suppliers as needed without compromising design intent.
• Build, manage, and optimize relationships with global factories to support quality execution and long-term brand goals.
• Serve as a key liaison between Design, Merchandising, Production, and Technical Design throughout the development process.
• Lead cross-functional meetings to align seasonal priorities, resolve roadblocks, and make informed decisions.
• Escalate major risks to senior leadership while proposing solutions and mitigation plans.
• Support the adoption process for all collections ensuring all data is accurately reflected, and systems are up to date.

REQUIREMENTS

• Experience 3-5 years of product development experience.
• Experience in men's apparel development is preferred.
• Deep understanding of garment construction, fit, costing, fabric development, and global sourcing/manufacturing.
• Skills Proven leadership experience managing teams and driving complex, cross-functional development processes in a fast-paced, design-driven environment.
• Highly organized, detail-oriented, and able to manage multiple priorities under tight timelines.
• Analytical and problem-solving mindset with the ability to balance creative vision and commercial objectives.
• Excellent communication, relationship-building, and presentation capabilities.
• Proficiency in Microsoft Office, PLM systems, and Adobe Creative Suite.

WHO YOU ARE

• Professional Characteristics
• Strategic and analytical
• Strong leader
• Highly organized and detail-oriented
• Personal Characteristics
• Confident communicator and relationship-builder
• Resourceful problem-solver
• Adaptable in fast-paced environments

WHO WE ARE

Established in 2011 in New York City, Kith is a lifestyle brand and specialty retailer that offers seasonal collections of men's, women's and children's apparel, accessories and footwear through a distinct lens of personal storytelling. Kith embodies a multi-faceted lifestyle, with uncompromising detail to fabrication and design. Led by Founder, CEO and Creative Director Ronnie Fieg, the brand is known globally for evoking nostalgia from a dynamic point of view, and working closely with a carefully selected set of best-in-class collaborators. Kith operates 16 standalone boutiques around the world, and 3 shop-in-shops. Kith Treats, conceived from Fieg's childhood love for cereal, operates in 10 locations, as well as Sadelle's at Kith restaurants in Paris, Miami Design District, Toronto and Seoul. The Kinnect Foundation, a non-profit established and operated by Kith, is a non-profit devoted to creating positive change through education, community and social impact. Kith is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law.

Established in 2011 in New York City, Kith is a lifestyle brand and specialty retailer that embodies a multi-faceted lifestyle through a distinct lens of personal storytelling, with uncompromising detail to fabrication and design. Kith offers in-house apparel, accessories, and footwear collections for men, women, and children, and also has an ice cream parlor in every flagship and full-service restaurants in select locations.

Born and raised in Queens, New York, Kith Founder Ronnie Fieg rose the ranks from 13-year-old stock boy at footwear franchise David Z. to the company’s chief buyer, earning him a profound understanding of the retail landscape and a network of powerful brand relationships.

As the Kith's CEO and Creative Director, Fieg is known for his ability to create premium products and deliver unparalleled experiences, with a personal philosophy of giving the consumer more than what they pay for.

Under his guidance, the brand has become known globally for evoking nostalgia from a dynamic point of view, and working closely with a carefully selected set of best-in-class collaborators, including Coca-Cola, Nike, BMW, the NFL, Disney, Versace, Giorgio Armani and many others.

In addition to his role at Kith, Fieg also serves as the first-ever Creative Director of the New York Knicks, and the Chairman of the Board of The Kinnect Foundation, Kith's in-house non-profit, which is devoted to creating positive change through education, community and social impact.