Thermal base layers designed to deliver warmth and comfort for indoor and outdoor winter use, the iWoo Women's Thermal Base Layer Set combines soft fabric with a slim fit. Plenty of stretch keeps movement easy and sleep comfortable. Is it the right set for active winter days and cold nights?
⚡ At a Glance
- • Wearing Comfort: Ultra-soft, breathable stretch fabric with a moisture-wicking finish
- • Best for: Layering beneath outerwear, cold-night sleep and low-to-moderate outdoor activity
- • Not ideal for: High-impact or waterproof sports that need specialised technical garments
Lightweight thermals use a polyester-spandex blend to trap warmth while moving moisture away from skin. Slim-fit top and leggings act as a discreet base layer for many winter situations.
Stay Warm Without Bulk – Thanks to moisture-wicking polyester blend
A 95% polyester and 5% spandex fabrication traps a layer of insulating air while the knit structure moves sweat away from skin. Moisture transport reduces the chill that comes from damp fabric during activity.
Warmth is maintained under outer layers without adding noticeable bulk, keeping days out or cold nights more comfortable.
Move Freely – With high-elasticity 95% polyester, 5% spandex construction
Spandex fibres permit substantial stretch and rapid recovery, while polyester maintains fabric resilience and shape. The combination allows the garment to follow body movement without sagging.
Freedom of movement suits running, cycling and climbing, while the base layer retains its fit after repeated wear.
Versatile Layering and Sleepwear – With lightweight, breathable knit
A lightweight knit lets air circulate to avoid overheating, and quick-drying polyester helps fabric return to comfort after perspiration. Slim cut makes layering under coats straightforward.
Useful both as everyday underclothes and as comfortable sleepwear on cold nights, offering adaptable use across activities.
✨ The 4 Key Reasons for iWoo Women's Thermal Base Layer Set
- 95% polyester, 5% spandex - Stretchy fabric keeps its shape through repeated movement
- Ultra-soft finish - Gentle on skin for comfortable all-night sleep and day wear
- High elasticity - Easy to move in during running, climbing and cycling
- Slim profile - Layers discreetly under coats or jumpers without adding bulk
📋 Technical Details at a Glance
- Category: Apparel
- Brand: iWoo
- Product type: Women's thermal base layer set
- Material: Knit fabric
- Composition: 95% polyester, 5% spandex
❓ Frequently Asked Questions
Q: What is the fabric composition?
A: The set is made from 95% polyester and 5% spandex, offering stretch and resilience.
Q: Are these thermals suitable for outdoor activities?
A: Yes, they are described as suitable for indoor and outdoor winter activities such as running, camping, climbing, cycling and walking the dog, and also for cold-night sleep and daily wear.
Q: How should I choose my size?
A: Refer to the size chart shown in the product images and use the size label on the package, ignore the tag size if it differs.
🏆 Our Verdict
The iWoo Women's Thermal Base Layer Set is well suited to anyone seeking a slim, stretchy underlayer for cold-weather activities and night-time comfort. The key selling point is the soft, moisture-managing polyester-spandex fabric that combines warmth with freedom of movement. Durable construction and easy-care materials mean reliable wear across seasons, delivering good long-term value.
