From Base Layers to Warm-Ups: Dressing for Cold Hospital Rooms

Quick Answer: The best layers to wear with scrubs in cold hospitals are lightweight, breathable pieces that provide warmth without restricting movement. Depending on workplace policy, fitted base layers can provide consistent warmth underneath scrubs, while scrub jackets and gilets offer removable insulation when temperatures change. Uniform and infection-prevention requirements vary between employers, departments and clinical activities. 

Hospital wards, operating theatres, and clinical facilities across Ireland often experience variable temperatures throughout the working day. Between high-powered ventilation systems, cool corridors during 12-hour night shifts, and transitions between administrative tasks and active patient care, staying comfortable while maintaining a professional appearance is essential.

Diamond Designs has supplied healthcare uniforms to professionals across Ireland since 1989. From our experience, the most practical layers provide warmth without adding unnecessary bulk and are easy to remove when temperatures or working conditions change.

Recommended Layers from Diamond Designs

Choosing garments specifically designed for medical settings ensures that your layers remain durable, comfortable, and practical throughout long shifts. Below are our recommended base layers, warm-up jackets, and fleeces.

Women’s Performance Underscrub

The Onna Women's Performance Underscrub is a dedicated base layer engineered to sit smoothly underneath your scrub top.

• Fabric Composition: Black and White: 50% recycled nylon / 50% nylon. Heather colours: 50% recycled nylon / 30% nylon / 20% polyester.

• Key Features: Breathable four-way stretch fabric; durable, crease-resistant, and easy-care finish; natural deodorising finish with peppermint extract; seamless body with a unique jacquard pattern; ribbed collar; raglan seams; 60°C wash.

• Who It Suits: Ideal for female healthcare professionals wanting close-fitting, breathable core warmth that stays tucked in and does not bunch or restrict arm movement during active clinical shifts.

Grey’s Anatomy Spandex Stretch Millie Jacket

The Grey's Anatomy Millie scrub jacket combines lightweight warmth with flexible movement and a soft feel.

• Fabric Composition: 74% Polyester, 23% Rayon, 3% Spandex.

• Key Features: Spandex stretch, soil release, wrinkle release, and super-soft touch; 3 pockets total (deep front pockets, PDA pocket, and a secure zip pocket); classic fit (centre back length: 26" for size small); ribbed crewneck with dyed-to-match front zip; front and back princess seams; ribbed cuffs.

• Who It Suits: Designed for professionals who need easy-to-remove outer warmth with secure pocket storage for phones, badges, and essentials. Coordinates perfectly with Grey’s Anatomy scrubs for a unified uniform.

Grey’s Anatomy Evolve Virtue Warm-Up Jacket

The Virtue Warm-Up Scrub Jacket from the Barco Evolve collection delivers a modern silhouette with functional utility.

• Fabric Composition: 48% CiCLO Polyester, 44% Recycled Polyester, 8% Spandex.

• Key Features: Recycled fabric, 4-way stretch and moisture-wicking fabric with wrinkle release technology; modern classic fit (centre back length: 26" for size small); stand-up banded collar; front full-zipper closure; covered elastic cuffs; 3 pockets (2 inseam front pockets and 1 right back slip pocket); angled front and back shoulder yoke; front and back princess seams; signature green bungee ID loop on the left shoulder.

• Who It Suits: Excellent for clinicians seeking a moisture-wicking scrub jacket with a tailored look. Pairs seamlessly with Grey’s Anatomy Evolve scrubs.

Skechers Women’s Warm-Up Scrub Jacket

The Skechers warm-up scrub jacket offers dependable, lightweight comfort that packs neatly into a locker or bag without creasing.

• Fabric Composition: 54% Polyester, 40% Recycled Polyester (rPET), 6% Spandex (made with 6 recycled bottles per garment).

• Key Features: 4-way stretch, anti-static, moisture-wicking, quick-shed, and extreme comfort; classic fit with round neck and snap front closure (centre back length: 27.5" for size medium); cuff sleeves; 2 front pockets with dedicated pen slots.

• Who It Suits: Perfect for healthcare workers looking for a snap-button front jacket that is quick to put on and take off as ward temperatures shift. Matches directly with Skechers scrubs.

Grey’s Anatomy React Men’s Warm-Up Jacket

The Grey's Anatomy React warm-up jacket offers a sporty, tailored outer layer designed specifically for men in healthcare.

• Fabric Composition: 74% Polyester, 23% Rayon, 3% Spandex.

• Key Features: Antimicrobial finish, spandex stretch, soil release, wrinkle release, super-soft touch, and moisture-wicking properties; 5 convenient pockets including a chest patch pocket and zipper welt pocket; knit stand-up collar; zip front with chin guard to prevent chafing; rib cuff sleeves; classic fit (centre back length: 29" for size medium).

• Who It Suits: Ideal for male practitioners requiring extra pocket capacity, comfortable stretch, and an antimicrobial layer over their uniform. Pairs directly with Grey’s Anatomy men’s scrubs and classic styles.

Practical Fleece Options

For reception areas, administrative duties, or chilly commute periods, high-density fleece jackets provide comfortable thermal insulation:

• Navy Fleece Female: Pill-resistant, high-density unlined fleece with a taped neck, full-length zip, two front zip pockets, elasticated cuffs, and an adjustable drawcord hem.

• SOL’S Ladies North Fleece Jacket: Pill-resistant, high-density unlined fleece featuring a shaped feminine fit, taped neck, full-length zip, two front zip pockets, elasticated cuffs, and an adjustable drawcord hem.

• SOL’S North Fleece Jacket: Anti-pill, dense compact pile unlined fleece with full-length zip and two front zip pockets, offering a comfortable unisex fit for men and women.

What Makes a Good Layer for Healthcare Work?

When selecting layers to wear with medical scrubs, standard casual wear is rarely suitable. Look for garments that meet these essential criteria:

• Lightweight warmth: Garments should insulate effectively without adding unnecessary bulk under or over your scrubs.

• Breathable fabrics: Breathable weaves allow heat and vapour to escape, helping to maintain comfort during physical activity.

• Flexible stretch: 4-way stretch fabrics allow for free movement when reaching, bending, or assisting patients.

• Low-profile seams and fit: Smooth seams prevent chafing, while a neat neckline fits cleanly under or over standard scrub tops.

• Practical care: Check that the garment’s care instructions are compatible with your workplace requirements and your usual washing routine. For general uniform care tips, see our guide on how to wash medical scrubs.

Best Base Layers to Wear Under Scrubs

Base layers sit directly against your skin beneath your scrub top. When permitted by workplace dress codes, they provide a smooth, continuous layer of warmth.

Long-Sleeve Base Layer Tops

Fitted long-sleeve tops are a practical option for healthcare workers who feel the cold during night shifts or in draughty wards. A good under-scrub top features a close-to-body cut that avoids bunching under scrub tops. Look for low-profile crew or scoop necklines that sit neatly beneath V-neck scrubs, and cuffs that stay in place when pushed up.

Uniform and infection-prevention requirements vary between employers, departments and clinical activities.

Thermal Base Layers

For staff working in cooler areas such as corridors or older facilities, a dedicated thermal base layer provides extra warmth. Choose lightweight technical thermal weaves rather than heavy outdoor thermals to avoid overheating during active tasks.

Short-Sleeve Base Layers

If you want torso insulation without sleeves covering your arms, a fitted short-sleeve under-layer is a practical option. It provides core chest and back warmth while leaving your forearms completely clear.

Leggings and Tights Under Scrub Trousers

Wearing thin, seamless compression tights or moisture-wicking leggings beneath your scrub trousers provides discreet insulation on cold days. Ensure the leggings feature a flat waistband, ample stretch, and a lightweight profile so they do not bunch around your knees or create friction against your scrub trousers.

Best Jackets and Outer Layers to Wear Over Scrubs

Outer layers provide flexibility because they can be put on or taken off as ambient temperatures fluctuate throughout your shift.

Scrub Jackets

Purpose-designed warm-up scrub jackets are tailored specifically for healthcare settings. Built from durable, flexible fabrics that match medical scrubs, they feature zip or snap fronts, rib-knit cuffs that push up easily, and functional utility pockets.

At Diamond Designs, we stock scrub jackets from leading healthcare uniform brands, making it easy to coordinate your outer layer with your scrub set. Shop Scrub Jackets →

Fleece Jackets

Fleece jackets provide reliable warmth in administrative areas, reception desks, and outpatient hubs.

Uniform and infection-prevention requirements vary between employers, departments and clinical activities. 

Gilets and Sleeveless Layers

A sleeveless gilet or body warmer is a practical layering option that insulates your chest and back while leaving your arms uncovered for easy movement.

Uniform and infection-prevention requirements vary between employers, departments and clinical activities.

Base Layer or Jacket: Which Is Better?

Deciding between an under-scrub base layer and an over-scrub jacket depends on your shift routine, physical activity level, and workplace guidelines.

Many healthcare workers keep both options on rotation: wearing a breathable base layer under their scrub top and keeping a scrub jacket on hand for cooler areas.

Which Fabrics Work Best for Healthcare Layers?

Understanding the properties of different textiles helps you choose layers that perform reliably during clinical work. For a broader overview of uniform textiles, consult our scrub fabric guide.

Infection Control and Uniform Policies in Irish Healthcare Settings

Uniform and dress code policies vary across Irish healthcare settings. What is standard practice in one hospital or department may be restricted in another.

When planning your layering wardrobe in Ireland, keep the following considerations in mind:

• Workplace-specific uniform policies: Uniform and infection-prevention requirements vary between employers, departments and clinical activities. 

• Requirements can vary by clinical area: Specialist environments such as operating theatres, isolation settings, and other clinical areas may have specific clothing or infection-prevention requirements.

• Check care compatibility: Check that the garment’s care instructions are compatible with your workplace requirements and your usual washing routine.

• Check before wearing: If you are unsure whether a particular layer is appropriate, refer to your employer's current uniform and infection-prevention guidance or speak with your line manager or infection prevention and control team.

Choosing Layers for Different Healthcare Environments

Different clinical settings present distinct environmental demands. Tailoring your layers to your daily workplace ensures maximum comfort and professionalism:

• Cold wards and night shifts: Breathable base layers combined with warm-up jackets provide adaptable temperature regulation.

• High-activity departments: Lightweight, moisture-wicking base layers help prevent perspiration build-up during physical tasks.

• Desk and reception roles: Easily removable scrub jackets or fleeces offer convenient warmth during sedentary periods.

• Community healthcare: Layering an under-scrub with an outer fleece or jacket allows smooth transitions between indoor visits and travel.

• Dental, pharmacy and veterinary settings: Follow workplace-specific uniform guidelines to select appropriate base or outer layers.

Frequently Asked Questions

Can you wear a long-sleeve top under scrubs?

Uniform and infection-prevention requirements vary between employers, departments and clinical activities. In settings where bare-below-the-elbows policies are in place, long sleeves may need to be rolled above the elbow or removed during direct patient care.

What is the best layer to wear under scrubs?

The best layer is a breathable, moisture-wicking performance underscrub, such as the Women’s Performance Underscrub. A quality underscrub provides lightweight warmth and four-way stretch without adding bulk beneath your scrub top. Always check that the garment’s care instructions are compatible with your workplace requirements and your usual washing routine.

How should an underscrub fit?

An underscrub should have a close, streamlined fit that moves with your body without bunching under your scrub top. Look for a style with good stretch, sleeves that stay securely in place when pushed up, and a neckline that sits flush with or below your scrub collar.

What is the difference between an underscrub and a thermal top?

An underscrub is specifically designed for healthcare uniforms, using lightweight, breathable, and moisture-wicking fabrics that fit smoothly under scrubs. Traditional thermal tops are often thicker and intended for outdoor cold, which can lead to overheating in active clinical environments.

Can healthcare workers wear jackets over scrubs?

Yes, scrub jackets, warm-up tops and fleeces can provide an additional removable layer over scrubs. However, uniform and infection-prevention requirements vary between employers, departments and clinical activities. 

Which scrub jackets are available for men and women?

Diamond Designs offers several options designed for healthcare professionals. For women, popular choices include the Grey’s Anatomy Spandex Stretch Millie Jacket, the Grey’s Anatomy Evolve Virtue Warm-Up Jacket, and the snap-front Skechers Women’s Warm-Up Scrub Jacket. 

For men, the Grey’s Anatomy React Men’s Warm-Up Jacket features five pockets and an antimicrobial finish. In addition, unisex and women's fleece jackets are available for non-acute or administrative settings.

Final Thoughts

Staying warm in cold hospital environments does not require sacrificing comfort, professional appearance, or clinical standards. The most effective layering strategy combines breathable base tops, flexible outer layers, and practical scrubs tailored to your specific role and workplace policies.

Investing in quality pieces that move with your body makes long shifts far more comfortable from start to finish.

Explore our full range of medical scrubs at Diamond Designs →