Caving Undersuit 240 g/m² – Polartec Power Stretch Pro
Technical caving undersuit made from Polartec® Power Stretch® Pro™ 240 g/m². Warm, breathable, quick-drying and highly flexible, with reinforced knees, elbows and seat for demanding underground use.
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Stay warm, dry and comfortable underground with the K2Action Gear Caving Undersuit, made from premium Polartec® Power Stretch® Pro™ 240 g/m² fabric.Designed specifically for caving and underground exploration, this technical caving undersuit combines thermal insulation with excellent breathability, moisture management and 4-way stretch. It provides the warmth you need beneath a caving oversuit without restricting movement while crawling, climbing or using SRT equipment.
Polartec Power Stretch Pro – Warm, Breathable and Flexible
Polartec® Power Stretch® Pro™ is engineered for active use. Its 4-way stretch construction follows the body's movements, providing excellent freedom of movement and helping the undersuit maintain a comfortable fit during demanding underground activity.
The dual-surface fabric is designed to move moisture away from the skin towards the outer surface, where it can evaporate more quickly. Combined with excellent breathability and fast-drying performance, this helps keep you more comfortable during long and physically demanding cave trips.
The smooth outer surface also reduces friction between layers, allowing the undersuit to move comfortably beneath your caving oversuit.
Key Features
- Polartec® Power Stretch® Pro™ 240 g/m²
- Excellent thermal insulation for underground use
- 4-way stretch for unrestricted movement
- Highly breathable construction
- Effective moisture-wicking performance
- Fast-drying technical fabric
- Excellent shape retention
- High abrasion resistance
- Reinforced seat, elbows and knees
- Designed specifically for caving and underground exploration
Reinforced for Caving
Caving places considerable stress on clothing, even when an undersuit is protected by an outer suit. For additional durability, the K2Action Gear undersuit features reinforcement patches on the seat, elbows and knees.
The knee reinforcements are open at the bottom, forming practical pockets that can accommodate additional padding when required. Foam pads can be inserted for extra knee protection – and the pockets can even provide convenient storage for small soft items such as spare socks.
Designed to Work Beneath a Caving Oversuit
An effective caving clothing system separates thermal insulation from external protection.
The Polartec Power Stretch Pro undersuit provides warmth, breathability and moisture management close to the body, while your caving oversuit provides protection against rock, mud, water and abrasion.
The flexible construction and low-friction outer surface of the fabric make this undersuit particularly well suited to this layered approach.
Whether you're heading underground for a short recreational trip, a long technical cave, vertical SRT exploration or an expedition, this is a thermal caving undersuit built for serious underground use.
Choose your size and colour and experience the warmth, flexibility and comfort of Polartec Power Stretch Pro on your next caving trip.
