Mac in a Sac Women's Venture Ultralite Trousers

Mac in a Sac Women's Venture Ultralite Waterproof Running Trousers

The Mac in a Sac Women's Venture Ultralite Waterproof Trousers deliver lightweight, breathable weather protection for trail running, fast hiking and outdoor adventures. Made from flexible Vaporlite stretch fabric with a 2.5-layer waterproof construction, these technical trousers feature an 8,000mm waterproof rating, 16,000g/m²/24hr breathability and fully taped seams. Weighing just 190g in women's size Medium, they're designed for fast movement and easy packing without unnecessary bulk.

Go light and move fast with the Mac in a Sac Venture Ultralite Trousers. Designed for active women who need dependable protection from changeable weather, these lightweight waterproof trousers combine flexibility, breathability and comfort for running and outdoor pursuits.

The advanced Vaporlite fabric contains 90% polyester and 10% spandex, providing excellent stretch and freedom of movement. A 2.5-layer waterproof construction, fully taped seams and windproof fabric work together to help keep rain and cold winds out.

Featuring an elasticated waist, articulated knees and a close-fitting athletic design, the Venture Ultralite Trousers are made for comfortable movement during trail running, hillwalking and fast-paced outdoor activities.

Why You'll Like Them

• Highly Waterproof: 8,000mm hydrostatic head rating provides protection against rain and wet conditions.
• Highly Breathable: 16,000g/m²/24hr breathability helps moisture vapour escape during active exercise.
• Ultra-Lightweight: Weigh just 190g in women's size Medium.
• Vaporlite Stretch Fabric: Flexible polyester-spandex construction allows excellent freedom of movement.
• 2.5-Layer Waterproof Construction: Lightweight technical fabric designed for active weather protection.
• Fully Taped Seams: Heat-bonded seam tape helps prevent rain entering through the stitching.
• Windproof Performance: Helps shield against cold winds on exposed routes.
• Articulated Knees: Shaped for comfortable movement when running, walking uphill and navigating uneven terrain.
• Elasticated Waist: Provides a comfortable, flexible fit during activity.
• Compact Storage: Elasticated storage loop helps keep the trousers neatly packed when not in use.
• Reflective Detailing: Helps improve visibility during low-light outdoor activities.
• PFC & PFOA Free: Manufactured without the specified fluorocarbon chemicals.

Key Features

• Mac in a Sac women's Venture Ultralite waterproof trousers
• Lightweight Vaporlite stretch fabric
• 90% polyester / 10% spandex
• 2.5-layer waterproof construction
• 8,000mm hydrostatic head waterproof rating
• 16,000g/m²/24hr breathability rating
• Fully taped waterproof seams
• Windproof protection
• Close-fitting athletic design
• Elasticated waistband
• Articulated knees for freedom of movement
• Elasticated loop for compact storage
• Cycle straps
• Reflective detailing
• 190g approximate weight in women's size Medium
• PFC and PFOA free
• Suitable for running, hiking, hillwalking and cycling

Waterproof & Breathable Technology

8,000mm Highly Waterproof Protection

The Mac in a Sac Venture Ultralite Trousers feature an 8,000mm hydrostatic head rating, providing waterproof protection against rain during running, walking and other outdoor activities.

Combined with fully taped seams, the waterproof construction helps prevent moisture entering through the fabric and stitching, making these trousers practical for Ireland's unpredictable weather.

16,000g/m²/24hr Highly Breathable

With a breathability rating of 16,000g/m²/24hr, the Venture Ultralite fabric allows moisture vapour to escape during exercise.

This helps manage moisture build-up inside the trousers, supporting comfort during trail running, fast hiking and other high-energy outdoor activities.

2.5-Layer Vaporlite Stretch Fabric

The technical Vaporlite fabric combines 90% polyester and 10% spandex for a flexible, lightweight feel.

Its 2.5-layer construction combines an outer fabric, waterproof membrane and lightweight protective inner finish, helping reduce weight and bulk compared with traditional lined waterproof trousers.

The stretch fabric allows comfortable freedom of movement during running and other active pursuits.

Fully Taped Seams

Heat-bonded waterproof tape is applied along the seams to help prevent rain entering through the stitching, enhancing protection during wet-weather activities.

Windproof Protection

The windproof construction helps block cold wind, providing additional comfort during exposed runs, coastal walks and hillwalking adventures.

Lightweight & Packable

Weighing approximately 190g in women's size Medium, the Venture Ultralite Trousers are designed to be carried without unnecessary weight.

An elasticated storage loop helps keep the trousers compact when packed away, making them easy to carry in a running pack, backpack or travel bag.

Fit & Sizing

The Mac in a Sac Women's Venture Ultralite Trousers feature a close-fitting athletic design, providing a streamlined shape with minimal excess fabric.

The elasticated waistband allows flexible comfort, while the articulated knees support a natural stride and easy movement when running, walking uphill or navigating uneven surfaces.

The stretch fabric helps the trousers move comfortably with the body. If you plan to wear them over thicker trousers or prefer a roomier fit, consult the manufacturer's size guide before ordering.

Materials & Specifications

• Brand: Mac in a Sac
• Collection: Venture Series
• Model: Venture Ultralite Trousers
• Product Type: Women's Waterproof Running Trousers
• Fabric: Vaporlite Stretch
• Material Composition: 90% Polyester / 10% Spandex
• Fabric Construction: 2.5-Layer Waterproof
• Waterproof Rating: 8,000mm Hydrostatic Head
• Breathability: 16,000g/m²/24hr
• Wind Protection: Windproof
• Seams: Fully Taped
• Fit: Close Fitting
• Waist: Elasticated
• Knees: Articulated
• Storage: Elasticated Packing Loop
• Additional Features: Cycle Straps
• Visibility: Reflective Detailing
• Weight: Approx. 190g (Women's Size Medium)
• Chemical Finish: PFC & PFOA Free
• Suitable For: Trail Running / Hiking / Hillwalking / Cycling / Outdoor Training

Care Instructions

Always follow the manufacturer's care label to help maintain the trousers' waterproof and breathable performance.

• Close any fastenings before washing.
• Wash on a cool, gentle cycle if permitted by the care label.
• Use a suitable technical clothing cleaner when recommended.
• Avoid fabric softeners unless specifically permitted.
• Line dry if permitted by the manufacturer's care instructions.
• Allow the trousers to dry completely before storing.
• Avoid excessive heat that may damage the waterproof membrane or seam taping.
• Restore the outer fabric's water repellency with a suitable treatment when necessary.
• Avoid storing tightly compressed for extended periods.

Where to Wear Them

• Trail Running: Lightweight waterproof protection and stretch comfort for changing conditions.
• Fast Hiking: Flexible fabric and breathable performance for active hillwalking.
• Hillwalking: Windproof and waterproof protection for exposed outdoor routes.
• Road Running: A lightweight alternative to traditional bulky waterproof trousers.
• Cycling: Reflective detailing and cycle straps provide additional practicality for active commuting.
• Travel: Compact construction makes them easy to carry when rain is forecast.

The Borderland Muff View

The Mac in a Sac Women's Venture Ultralite Waterproof Trousers are a great choice for runners and outdoor enthusiasts who want reliable waterproof protection without the weight and bulk of traditional overtrousers.

We particularly like the combination of 8,000mm waterproofing, 16,000g/m²/24hr breathability and flexible Vaporlite stretch fabric. These features make the Ultralite particularly well suited to active outdoor use, where maintaining comfort and freedom of movement is important.

At just 190g in women's size Medium, they're lightweight enough to carry in a running pack or backpack. The articulated knees, elasticated waist and close-fitting design offer additional comfort for trail running and fast hiking.

For training along Donegal's coastal routes, exploring the Wild Atlantic Way or heading out on local hills in changeable weather, these trousers are a practical addition to your outdoor kit.

Shop Mac in a Sac women's waterproof trousers and outdoor clothing online at Borderland Muff, Co. Donegal, or visit our store in Muff at the start of the Wild Atlantic Way.

Frequently Asked Questions

Are the Mac in a Sac Women's Venture Ultralite Trousers waterproof?

Yes. They feature an 8,000mm waterproof rating and fully taped seams to help prevent rain entering through the fabric and stitching.

How breathable are the Venture Ultralite Trousers?

They have a breathability rating of 16,000g/m²/24hr, helping moisture vapour escape during physical activity.

How much do the Women's Venture Ultralite Trousers weigh?

They weigh approximately 190g in women's size Medium, making them a lightweight option for running, hiking and outdoor adventures.

Are the Venture Ultralite Trousers suitable for running?

Yes. Their lightweight Vaporlite stretch fabric, articulated knees and close-fitting design make them suitable for road running, trail running and other active outdoor pursuits.

Do the Venture Ultralite Trousers pack away?

Yes. Their lightweight construction and elasticated storage loop help keep them compact for carrying in a backpack or running bag.

What material are the Venture Ultralite Trousers made from?

They are made from Vaporlite stretch fabric containing 90% polyester and 10% spandex, with a 2.5-layer waterproof construction.

Are the Venture Ultralite Trousers windproof?

Yes. Their windproof construction helps protect against cold winds during outdoor activity.

Do the Venture Ultralite Trousers have an elasticated waist?

Yes. They feature an elasticated waistband for a secure, flexible fit during movement.

Are the Women's Venture Ultralite Trousers suitable for cycling?

They can be used for cycling and active commuting. The supplied specifications include cycle straps and reflective detailing, although the trousers are primarily designed for running and fast outdoor movement.

Do the Venture Ultralite Trousers contain PFC or PFOA?

The manufacturer describes the Venture Ultralite Trousers as PFC and PFOA free.

Where can I buy Mac in a Sac Women's Venture Ultralite Trousers in Ireland?

You can shop Mac in a Sac Women's Venture Ultralite Waterproof Trousers online at Borderland Muff, an independent outdoor clothing and workwear retailer based in Muff, County Donegal, Ireland.