Thermal Underwear Market Report Scope & Overview:

The Thermal Underwear Market Size is valued at USD 8.72 Billion in 2025E and is projected to reach USD 11.41 Billion by 2033, growing at a CAGR of 3.46% during the forecast period 2026–2033.

The Thermal Underwear Market analysis report provides comprehensive insights into market dynamics and key factors influencing growth. Rising awareness of cold-weather clothing and increased adoption of online retail channels are boosting demand, which is expected to further propel market expansion during the forecast period 2026–2033.

Thermal underwear sales reached 145 million units in 2025, driven by rising cold-weather clothing demand and expanding online retail.

Market Size and Forecast:

• Market Size in 2025: USD 8.72 Billion

• Market Size by 2033: USD 11.41 Billion

• CAGR: 3.46% from 2026 to 2033

• Base Year: 2025

• Forecast Period: 2026–2033

• Historical Data: 2022–2024

Thermal Underwear Market Trends:

• Rising awareness of cold-weather health and comfort is boosting demand for thermal underwear globally.

• Online sales of thermal wear are growing rapidly due to e-commerce platforms and convenient home delivery.

• Increasing use of eco-friendly and sustainable fabrics is influencing production and consumer choice.

• Collaborations between brands and outdoor lifestyle influencers are expanding market visibility.

• Advancements in smart and heated fabrics are enhancing product functionality and consumer appeal.

• Personalized sizing and virtual fitting tools are improving the online shopping experience for thermal apparel.

U.S. Thermal Underwear Market Insights:

The U.S. Thermal Underwear Market is projected to grow from USD 2.49 Billion in 2025E to USD 3.14 Billion by 2033, at a CAGR of 2.96%. Growth is driven by rising cold-weather awareness, increased outdoor activity participation, and adoption of premium functional and smart thermal apparel across major metropolitan regions.

Thermal Underwear Market Growth Drivers:

• Growing cold-weather awareness and outdoor activities, driving higher demand for functional and comfortable thermal wear.

Growing awareness of cold-weather health and comfort, along with rising participation in outdoor activities, is a key driver for the Thermal Underwear Market growth. Consumers increasingly prioritize functional, warm, and comfortable clothing for winter and adventure use. Expansion of e-commerce and brand visibility through digital platforms is making thermal wear more accessible, while innovations in fabrics and smart textiles are enhancing appeal, further supporting market growth and adoption globally.

Thermal Underwear sales grew 4.2% in 2025, driven by rising cold-weather activity and growing adoption of functional apparel.

Thermal Underwear Market Restraints:

• Seasonal demand fluctuations and high pricing of premium thermal wear are limiting consistent market growth globally.

Seasonal demand fluctuations and high pricing of premium thermal wear are key restraints for the Thermal Underwear Market. Limited demand during warmer months reduces consistent sales, while higher-priced functional and smart fabrics can restrict access for price-sensitive consumers. Economic uncertainties and shifting consumer spending priorities further affect purchase patterns, creating market volatility. Together, these factors limit growth potential, forcing brands to balance product innovation and quality with affordability and year-round relevance.

Thermal Underwear Market Opportunities:

• Rising interest in smart and eco-friendly thermal wear offers opportunities for innovative fabrics, design and retail.

Rising interest in smart and eco-friendly thermal wear presents significant growth opportunities. Consumers increasingly seek functional, sustainable, and technologically enhanced apparel, prioritizing comfort, warmth and ethical production. Advancements in smart fabrics, heated clothing, and digital customization tools are enhancing engagement and convenience. Brands focusing on innovative, environmentally conscious products and seamless online retail experiences are positioned to capture market share and drive expansion in this evolving sector.

Eco-friendly and smart thermal wear accounted for 18% of new product launches in 2025, driven by rising consumer demand for sustainable and functional winter apparel.

Thermal Underwear Market Segmentation Analysis:

• By Product Type, Men’s Thermal Underwear held the largest market share of 42.75% in 2025, while Unisex Thermal Underwear is expected to grow at the fastest CAGR of 5.21% during 2026–2033.

• By Fabric Type, Cotton dominated with a 38.60% share in 2025, while Blends are projected to expand at the fastest CAGR of 6.14% during the forecast period.

• By End User, Men accounted for the highest market share of 45.32% in 2025, while Women are anticipated to record the fastest CAGR of 5.87% through 2026–2033.

• By Distribution Channel, Offline Retail held the largest share of 49.18% in 2025, while Online Retail is expected to grow at the fastest CAGR of 7.03% during 2026–2033.

By Product Type, Men’s Thermal Underwear Dominates While Unisex Expands Rapidly:

Men’s Thermal Underwear segment dominated the market due to strong demand from male consumers seeking functional and comfortable clothing for cold climates. Factors such as outdoor sports, adventure activities, and winter commuting contributed to consistent growth. Unisex Thermal Underwear is the fastest growing segment, benefiting from versatile usage, gifting trends and rising adoption among youth and millennials. In 2025, 62 million units of unisex thermal underwear were sold globally, reflecting its increasing influence and popularity.

By Fabric Type, Cotton Dominates While Blends Expand Rapidly:

Cotton segment dominated the market due to its comfort, breathability and familiarity, making it the preferred choice for daily winter wear. It continues to appeal across age groups and regions, driving large-volume sales. Blends are the fastest growing segment, providing enhanced stretch, moisture-wicking, durability, and thermal efficiency. In 2025, 28 million blended fabric thermal garments were sold, highlighting the growing consumer shift toward performance-driven and technologically enhanced fabrics that meet modern lifestyle needs.

By End User, Men Dominates While Women Expands Rapidly:

Men segment dominated the market due to high demand for outdoor, corporate, and casual winter clothing. Men’s preference for functional, warm, and premium thermal wear contributes to steady sales growth. Women is the fastest growing segment, driven by increasing awareness of cold-weather health, fashion-focused insulated garments, and online shopping convenience. In 2025, nearly 35 million women’s thermal garments were sold, indicating strong adoption and the rising importance of female consumers in driving market expansion globally.

By Distribution Channel, Offline Retail Dominates While Online Expands Rapidly:

Offline Retail segment dominated the market due to consumers value physically checking fit, fabric, and comfort before purchase. Department stores, boutiques, and specialty outlets are key contributors to sales volume. Online retail is the fastest growing segment, propelled by easy access, wider variety, competitive pricing, virtual fitting tools, and targeted digital campaigns. In 2025, 22 million thermal underwear units were sold through online platforms globally, demonstrating strong momentum toward e-commerce adoption and digital-first strategies for reaching diverse consumer segments.

Thermal Underwear Market Regional Analysis:

North America Thermal Underwear Market Insights:

The North America Thermal Underwear Market is dominated with a 36.42% market share in 2025, driven by high cold-weather awareness and growing participation in outdoor activities. Strong demand for functional, comfortable, and premium thermal wear in the U.S. and Canada is supporting growth. Expanding offline and online retail channels, along with innovations in fabrics and smart thermal apparel, are enhancing consumer engagement and reinforcing North America’s leadership in the market.

U.S. Thermal Underwear Market Insights:

The U.S. Thermal Underwear Market is fueled by growing demand for functional, comfortable, and premium cold-weather apparel. Online retail expansion, digital shopping tools, and customizable thermal wear are driving adoption. Innovations in smart fabrics, eco-friendly materials, and collaborations with outdoor lifestyle brands are enhancing consumer engagement and market growth.

Asia-Pacific Thermal Underwear Market Insights:

The Asia-Pacific Thermal Underwear Market is the fastest-growing region, projected to expand at a CAGR of 5.15% during 2026–2033. Growth is driven by rising cold-weather awareness, increasing outdoor and winter sports participation, and expanding middle-class populations in China, Japan, India and South Korea. Rapid e-commerce adoption, digital marketing initiatives, and demand for premium, functional and eco-friendly thermal wear are fueling market expansion, while regional production capabilities further support APAC’s growth momentum.

China Thermal Underwear Market Insights:

The China Thermal Underwear Market is driven by rising cold-weather awareness, growing outdoor activity participation, and increasing disposable incomes. Expansion of e-commerce platforms, digital marketing, and demand for premium, functional, and eco-friendly thermal wear are supporting growth. China’s market leadership in APAC is reinforced by domestic production and rising brand presence.

Europe Thermal Underwear Market Insights:

The Europe Thermal Underwear Market is driven by a strong tradition of quality apparel and high consumer preference for functional, durable winter clothing. Countries such as Germany, France, Italy, and the UK influence regional trends in thermal wear. Growing interest in sustainable fabrics, advanced insulation technology, and premium designs is fueling demand. Expanding retail networks, e-commerce platforms, and outdoor lifestyle adoption continue to strengthen Europe’s position in the thermal underwear market.

Germany Thermal Underwear Market Insights:

Germany is a key market in the European Thermal Underwear sector, known for high-quality manufacturing and functional apparel. Growth is supported by rising demand for premium and sustainable thermal wear, outdoor and winter sports participation, and expanding e-commerce channels. Technological fabric innovations and strong brand presence further reinforce Germany’s market significance.

Latin America Thermal Underwear Market Insights:

The Latin America Thermal Underwear Market is growing as urbanization and rising middle-class incomes increase demand for functional winter apparel. Growth is supported by domestic production and retail expansions in Brazil, Mexico and Argentina. E-commerce adoption, sustainable fabric initiatives, and collaborations with international brands are further driving regional market development.

Middle East and Africa Thermal Underwear Market Insights:

The Middle East & Africa Thermal Underwear Market is growing with rising cold-weather awareness, increasing outdoor activity participation and higher disposable incomes. Expansion of retail networks, e-commerce platforms, and demand for premium and functional thermal wear are driving growth, led by key markets including Saudi Arabia, UAE, and South Africa.

Thermal Underwear Market Competitive Landscape:

Hanesbrands Inc., headquartered in Winston-Salem, North Carolina, is a leading apparel company specializing in innerwear, activewear, and casual basics. Known for its strong brand portfolio including Hanes, Champion, and Maidenform, the company dominates the thermal underwear market through high-quality, affordable, and widely accessible products. Its extensive distribution network across retail, e-commerce, and wholesale channels, combined with consistent innovation in comfort, fabric technology, and performance wear, solidifies Hanesbrands’ leadership in functional thermal apparel.

• In March 2025, Hanes launched Hanes Moves, an athleisure-inspired line including moisture-wicking tees, boxer briefs, leggings, and base layers. Enhanced with Supersoft fabrics and seamless construction, it targets comfort, performance, and cold-weather versatility for all consumers.

PVH Corp., headquartered in New York, USA, is a multinational apparel company renowned for iconic brands such as Calvin Klein and Tommy Hilfiger. It dominates the thermal underwear market by leveraging strong brand equity, premium quality and distribution capabilities. Strategic investments in sustainable fabrics, innovative design and digital retail expansion strengthen its presence. PVH’s ability to blend classic styles with functional comfort, while appealing to diverse consumer demographics, ensures its continued dominance in the cold-weather and thermal wear segment.

• In February 2025, Calvin Klein, under PVH, introduced a Shapewear line featuring bodysuits and leggings with seamless design and varying compression levels. The launch emphasizes comfort, fit and functional fashion while advancing sustainability through the Re-Calvin recycling initiative.

Under Armour Inc., based in Baltimore, Maryland, is a leading sportswear and performance apparel brand known for innovative, high-performance fabrics. The company dominates the thermal underwear market by providing advanced moisture-wicking, heat-retaining, and athletic-focused base layers for both professional athletes and everyday consumers. Aggressive marketing, celebrity endorsements, and continuous R&D in smart fabrics allow Under Armour to combine functionality with style, maintaining a strong market presence while setting performance and quality benchmarks in the thermal underwear industry.

• In May 2025, Under Armour expanded its ColdGear Infrared base-layer range, including leggings and mock-neck tops. These thermo-conductive garments trap and retain heat, offering enhanced warmth, flexibility, and performance for cold-weather athletes globally.

Thermal Underwear Market Key Players:

Some of the Thermal Underwear Market Companies are: 

• Hanesbrands Inc.

• PVH Corp.

• Under Armour Inc.

• Adidas AG

• Nike, Inc.

• SmartWool LLC

• Patagonia, Inc.

• L.L.Bean Inc.

• Fruit of the Loom, Inc.

• Jockey International, Inc.

• Marks & Spencer plc

• Bodtek

• Thermajohn

• Delta Galil Industries

• Icebreaker

• Helly Hansen AS

• Odlo International AG

• Falke Group

• ExOfficio LLC

• Wolford AG