What Stack Athletics does

Stack Athletics is a privately held, direct-to-consumer apparel brand that designs, produces, and sells elevated performance and lifestyle clothing and accessories for tennis, pickleball, and other racket sports. The company operates an owned Shopify e-commerce storefront at stackathletics.com and markets primarily to active racket-sport athletes and athleisure consumers in the United States, with pricing spanning roughly $36 to $86 per item. Its product catalog includes women's dresses (Courtside, AirLift, RibTech, Replay Double Strap), tees, tanks, shorts, hoodies and accessories, plus a men's assortment anchored by the Tourney Short and Endura Short, with three 'Nick's Picks' curated SKUs tied to creative director Nick Kyrgios. The company also runs ambassador/affiliate and wholesale programs, and in March 2026 it acquired Vulcan Pickleball, extending the brand into pickleball paddle hardware distributed through The Picklr retail network.

The underlying product technology is centered on five branded proprietary fabric and construction technologies: Volleysoft (performance tees), AirLift (court mobility), RibTech (warmth and flexibility), CloudCore (comfort/lifestyle hoodies and crewnecks), and Endura (durability shorts and pants). These are positioned as performance and styling differentiators rather than patented inventions, and the brand extends them across women's and men's assortments with broad colorway and dye-pattern variety (acid-dye, digi-dye, court-check prints). Post-Vulcan acquisition, the company also markets the CHPT01 series of pickleball paddles, including Dark Matter, White Noise, and a Kyrgios-branded elongated body model.

Stack Athletics monetizes through one-time direct e-commerce sales (Shopify storefront), wholesale distribution to third-party retail partners, and hardware sales of Vulcan Pickleball paddles. GTM is DTC-led, with free USA shipping on orders over $75, hassle-free returns, and an email welcome discount. Distribution channels include the owned storefront (global), wholesale partners (regional), ambassador/affiliate referrals, and a physical retail exclusive at The Picklr indoor pickleball clubs during product launches. Brand building is concentrated on Nick Kyrgios' role as Owner and Creative Director and his promotional tennis exhibitions in the US and Dubai.

Name

Stack Athletics

Legal name

Stack Athletics

Website

https://stackathletics.com

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Athletic Apparel

NAICS

Sporting Goods Retailers (45911), Sporting and Athletic Goods Manufacturing (339920)

SIC

Sporting & Athletic Goods, Nec (3949), Wholesale-Apparel, Piece Goods & Notions (5130)

akta.pro primary industry

Racquet Sport Footwear & Apparel Retail (CRAMAFAI)

akta.pro secondary industries

Racquet Sports (Tennis/Pickleball/Badminton/Squash) Retail (CRAMABAF), Pickleball Equipment & Accessories Retail (CRAMAFAB), Sporting Goods & Outdoor Inventory-led Online Retailers (CRAFADAJ)

Keywords

• Tennis apparel
• Athletic sportswear
• Pickleball clothing
• Performance wear
• Racket sport apparel

Headquarters

HQ city

Fort Collins

HQ country

United States

HQ region

North America

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Marketing or Sales, Operations, Technology or R&D

Revenue model

1. Direct E-commerce Apparel Sales: Stack Athletics generates revenue through direct-to-consumer sales of tennis and racket sport apparel via their e-commerce platform. Products include dresses, shorts, tops, jackets, hoodies, and accessories sold at various price points ranging from $36 to $86 per item.
2. Wholesale Distribution: The company has a wholesale program mentioned on their website, suggesting B2B sales to retail partners and potentially sporting goods stores.
3. Vulcan Pickleball Brand: Following the acquisition of Vulcan Pickleball, Stack Athletics now owns a pickleball paddle brand that collaborates with Nick Kyrgios on exclusive paddle products.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Stack Athletics designs, produces, and sells elevated performance apparel and accessories for tennis, pickleball, and other racket sports. The product line spans women's dresses, tops, shorts, skirts, hoodies, and sports bras, as well as men's shorts, pants, tees, tanks, and accessories such as hats, socks, and gift cards, built around proprietary fabric technologies including Volleysoft, AirLift, RibTech, CloudCore, and Endura. Following the acquisition of Vulcan Pickleball, the company also sells pickleball paddles under the CHPT01 series in collaboration with Nick Kyrgios.

Product overview

Stack Athletics is an elevated tennis and racket sport apparel brand offering a comprehensive product portfolio centered on performance-focused clothing and accessories. The core product line includes proprietary fabric technologies: Volleysoft (performance tees), AirLift (court mobility), RibTech (warmth/flexibility), CloudCore (comfort hoodies/sweatshirts), and Endura (durability). Women's offerings span dresses (Courtside Dress, AirLift Courtside Dress, RibTech Long Sleeve Dress, Replay Double Strap Dress), athletic tops, bottoms (shorts, skirts, leggings), and lifestyle items. Men's line includes shorts (Tourney Short, Endura Short, Repeat Short), pants, tops, and accessories. The brand recently expanded through a partnership with Nick Kyrgios as Owner and Creative Director, featuring a curated Nick's Picks collection. Products are available online with free USA shipping on orders over $75.

Differentiator

Problem solved

Functional benefit

Products and services

• Courtside Dress Signature tennis and pickleball dress designed for competitive play, available in numerous color variants including Cobalt, Mist, Paisley, Leopard, Black, Pebble, Cherry, Royal Navy, White, Bananas Foster, Powder Blue, and Berry. Targeted at female racket sport players seeking performance and style.
• AirLift Courtside Dress Performance tennis dress using AirLift fabric technology for enhanced court mobility and comfort, available in Mach Red, Black, and Cobalt colorways. Designed for female players seeking lightweight, supportive apparel.
• RibTech Courtside Long Sleeve Dress Long sleeve tennis dress featuring RibTech fabric technology for added warmth and flexibility during cooler weather play, offered in Cherry, Moss, Smokey Navy, Black, and Amethyst colorways.
• Replay Double Strap Dress Double strap tennis dress with a modern design, available in Black, Dusty Rose, and Leopard color variants. Priced at $68.00 USD.
• Volleysoft Performance Tee Performance athletic tee made with Volleysoft fabric technology, offering comfort and movement for racket sport activities. Available in Black, Navy, Steel Blue, Mist, Cognac, Oxford Red, and additional colorways. Priced at $48.00 USD.
• Tourney Short 6" Lined Pickleball and tennis short built for battle on the short court with built-in lining for added support. Available in Black, Sparrow Acid-Dye, Black Acid-Dye, Gravel, Steel Blue, Cocoa, Cognac, Navy, Eucalyptus, Sand, and more colors. Priced at $56.00 USD.
• Endura Short 7" Athletic short featuring Endura fabric technology with 7-inch inseam, available in lined and linerless versions with digi-dye options in Steel Blue and Mist. Priced at $58.00 USD.
• Tourney Short 6" Linerless Pickleball and tennis short without lining, offering a lighter option for court play. Available in Black, Sparrow Acid-Dye, Gravel, Cognac, Oxford Red, Emerald, and Mist. Priced at $54.00 USD.
• CloudCore Baseline Hoodie Essential CloudCore fabric hoodie from Stack Athletics, offered in men's and women's cuts. Available in Black, Heather Gray, Emerald, and Lavender Haze. Priced at $72.00 USD.
• CloudCore Icon Hoodie Premium CloudCore fabric hoodie suitable for on and off the court wear. Available in Heather Gray, Black, Chlorophyll, Sparrow, and Stone Wash. Priced at $70.00 USD.
• CloudCore Crewneck Crewneck sweatshirt from the CloudCore collection offering comfort for off-court wear.
• Distortion Hybrid Tee Ultra-soft stretch knit tee with a subtle boxy shape for a modern feel, available in Aged Black and Aged Sage. Priced at $38.00 USD.
• Endura Everyday Pant Everyday pant constructed with Endura fabric technology for durability and comfort. Available in Navy, Stone, Black, and Sage. Priced at $72.00 USD.
• Icon Flow Skirt Athletic skirt designed for court activities with a flowing silhouette, available in Sage, Black, and Leopard. Priced at $52.00 USD.
• Icon Double Strap Bra Athletic double strap bra designed for racket sports and active wear, available in Leopard, Sage, and Black. Priced at $38.00 USD.
• Rally Comp Tank Compression tank top designed for athletic performance with court check patterns, available in Lavender Court-Check, Plum Floral, Dark Sea Mini Court-Check, White, Black, Cognac, Emerald, Lavender Haze, Black Acid-Dye, and Oxford Red Acid-Dye. Priced at $52.00 USD.
• Repeat Short 7" Repeat short with 7-inch inseam available in linerless versions, in colors including Emerald, Mist, Steel Blue, Cognac, and Black. Priced at $58.00 USD.
• Volley Cap Casual mid-profile hat with mesh top ventilation, designed for everyday use. Available in White and Black. Priced at $36.00 USD.
• Apex Snapback Snapback hat from the Apex collection offering a classic athletic look. Priced at $42.00 USD.
• Nick's Picks Collection Curated product collection featuring Nick Kyrgios's personal selections from the Stack Athletics lineup, including the Distortion Hybrid Tee, Tourney Short 6" Lined, and Volley Cap.
• E-Gift Card Digital gift card for purchase of Stack Athletics products through the online storefront.

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered core and minor.

• Vulcan PickleballcoreStrategic or Co-development Partner · 3 March 2026Stack Athletics acquired Vulcan Pickleball brand. Following the acquisition, they launched the CHPT01 series of pickleball paddles in collaboration with Nick Kyrgios. The collection includes three models (Dark Matter, White Noise, Kyrgios: Elongated Body) engineered for competitive play.
• The PicklrminorChannel Partner/ Reseller/ Distributor · 3 March 2026The Picklr is a retail partner and exclusive location for Vulcan Pickleball paddle launches. Paddles are available exclusively at The Picklr locations during initial launch period (March 11-17), with broader online release following.
• Nick KyrgioscoreStrategic or Co-development Partner · 25 November 2025Nick Kyrgios joined Stack Athletics as Owner and Creative Director in November 2025. He influences product design and branding, bringing his rebellious and expressive persona to the brand. He participates in tennis exhibitions in the US and Dubai to promote the brand and products.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Selkirk Sport: Leading pickleball-native brand selling paddles, apparel, and accessories with pro-player collaborations. Most directly comparable peer given the overlap with Stack's Vulcan Pickleball hardware and apparel strategy.
• PB5star: Pickleball-specific apparel and accessories brand targeting the same player audience as Stack's tennis/pickleball crossover line. Competes head-to-head for pickleball-playing consumers.

Broad incumbents

• Lululemon: Global premium athletic apparel leader with a growing tennis line and strong women's activewear positioning. Operates much more broadly than Stack but competes directly in the premium on-court apparel segment Stack targets.
• Athleta: Gap-owned premium women's activewear brand focused on performance and lifestyle across studio, run, and court. Overlaps with Stack on women's premium activewear and lifestyle crossover.
• On Running: Premium Swiss athletic brand expanding into tennis and lifestyle categories with a design-forward, premium-priced positioning that parallels Stack's elevated aesthetic.
• Adidas (Tennis): Major global athletic brand with a long-standing tennis apparel and footwear business and tour-level athlete endorsements. Provides a broader, mass-market alternative to Stack's premium racket-sport positioning.
• PUMA (Tennis): Global athletic brand with a tennis apparel and footwear business and tour-level athlete sponsorships. Another broad incumbent competing in the racket-sport apparel category Stack addresses.
• Nike (Tennis): Dominant athletic apparel and footwear brand with a deep tennis heritage, pro-tour athlete sponsorships, and broad distribution. Competes with Stack for the same tennis-playing consumer at a wider range of price points.

Emerging players

• Varley: Premium women's activewear and lifestyle brand with a similar elevated, fashion-forward aesthetic to Stack. Overlaps on lifestyle crossover, women's premium pricing, and on-court/off-court hybrid positioning.
• CRBN Pickleball: Pickleball-focused paddle brand with growing apparel and accessory offerings. Direct competitor in pickleball hardware space following Stack's Vulcan Pickleball acquisition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/Stackathletics
• LinkedInlinkedin.com/company/stack-athletics

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Stack Athletics