Lululemon Keep Moving Pant vs. On the Fly: Which one should you buy?

The Lululemon Keep Moving Pant is a versatile, polished jogger made from soft, stretchy Warpstreme fabric, designed for all-day comfort and casual wear. In contrast, the On the Fly Pant is a technical travel pant made from a quick-drying, abrasion-resistant fabric, making it a more durable and utilitarian option for active commuters and travelers.

Here’s everything you need to know to choose the right Lululemon pant for your lifestyle.

Lululemon Keep Moving Pant

The Keep Moving Pant is an athleisure staple designed to combine the polish of a work-appropriate pant with the comfort of a jogger. Built with Lululemon's signature Warpstreme fabric, it’s engineered for mobility, shape retention, and wrinkle resistance, making it an ideal choice for transitioning from errands to lounging to a casual office setting.

• What it is: A relaxed-fit, high-performance jogger designed for versatile, all-day wear.
• Key features: Relaxed fit with a tapered leg, elastic waistband with an adjustable drawcord, and four-way stretch.
• Price: Around $98 - $118
• Materials/Construction: Made from Warpstreme™ fabric, which is praised for being lightweight, breathable, moisture-wicking, and giving a soft feel against the skin.
• Sizing/Fit: Fits true to size with a comfortable, relaxed fit through the hips and thighs before tapering at the ankles.
• Pros: Extremely comfortable and soft, versatile for casual and even some business-casual settings, retains its shape all day, resists wrinkles.
• Cons: Less technical fabric makes it less ideal for rugged outdoor activities, the relaxed fit might be too casual for some style preferences.

This is a perfect go-to pant for anyone seeking exceptional comfort and versatility for everyday life, light workouts, or casual outings.

Shop this product: shop.lululemon.com/p/women-pants/Keep-Moving-Pant

Lululemon On the Fly Pant

The On the Fly Pant is engineered for an active lifestyle, focusing on function, packability, and durability for travel and outdoor pursuits. Its technical quick-drying fabric is lightweight and highly resistant to wrinkles and abrasions, while its zippered pockets provide secure storage for commuters and adventurers alike.

• What it is: A technical, slim-fit travel pant built for durability and convenience on the go.
• Key features: Slim, tapered fit, quick-drying and abrasion-resistant fabric, zippered hand pockets, and a comfortable waistband.
• Price: Around $128 - $148
• Materials/Construction: Crafted from a technical fabric blend that’s stretchy, breathable, quick-drying, and durable enough to handle demanding environments.
• Sizing/Fit: Fits true to size with a slim, tapered fit that creates a more streamlined, sporty silhouette than the Keep Moving Pant.
• Pros: Highly durable and abrasion-resistant, quick-drying properties are great for travel and changing weather, packs down small without wrinkling, secure zippered pockets.
• Cons: Higher price point reflects its technical features, the slimmer fit and sporty look are less versatile for dressing up, fabric feels more functional than luxuriously soft.

This pant excels for active travelers, commuters, and outdoor enthusiasts who need reliable performance and convenience.

Shop this product: shop.lululemon.com/p/women/On-the-Fly-78-Pant-31

Keep Moving Pant vs. On the Fly Pant Comparison

Fabric & Performance

The primary difference between these two pants lies in their fabric. The Keep Moving Pant uses Warpstreme, a soft, comfortable material that excels at moisture-wicking and shape retention for everyday wear. It feels smooth and drapey, prioritizing comfort above all else. Its performance is geared toward life on the move in urban and indoor environments.

In contrast, the On the Fly Pant features a technical fabric built for durability and function. It’s quick-drying and abrasion-resistant, making it far better suited for hiking, travel, and unpredictable weather. While still stretchy and comfortable, its texture is more "technical" and less soft than Warpstreme, focusing on resilience and utility.

Fit & Sizing

Both pants generally fit true to size, but their silhouettes are distinct. The Keep Moving Pant features a relaxed fit through the hips and thighs, offering a bit more room and a lounge feel, before tapering down to a classically styled ankle cuff. It provides a casual elegance and more freedom of movement for everyday activities.

The On the Fly Pant has a slimmer, more tailored cut. It sits closer to the body through the leg for a streamlined, sporty aesthetic. This fitted design is great for cycling or hiking where excess fabric could get in the way, but it offers a less relaxed vibe than the Keep Moving.

Style & Versatility

With its softer fabric and relaxed cut, the Keep Moving Pant is the more versatile of the two for a modern lifestyle wardrobe. It can easily be dressed down with sneakers and a t-shirt or styled up with boots and a sweater, making it suitable for casual offices, brunches, and lounging.

The On the Fly Pant leans more heavily into its technical and sporty design. Features like zippered pockets and a quick-drying finish make it a clear winner for active use, but its aesthetic is less suited for more polished, non-athletic settings. It's the ultimate functional pant for a travel capsule wardrobe or hiking kit.

Price & Value

The Keep Moving Pant is the more affordable option, typically priced between $98 and $118. Considering its high level of comfort and styling versatility, it offers great value as an everyday staple you'll wear constantly.

Priced higher at about $128 to $148, the On the Fly Pant's value comes from its durability and technical features. For those who travel often or spend time outdoors, its resistance to wear and tear, packability, and quick-drying nature justify the higher investment as a piece that solves specific problems brilliantly.

Which One Should You Choose?

Both are excellent Lululemon pants, but they are built for entirely different needs and priorities.

Choose the Keep Moving Pant if:

• You prioritize all-day comfort and a soft-feeling fabric for everyday wear.
• You want a versatile pant that you can wear for errands, casual workdays, and lounging.
• You prefer a relaxed, tapered fit that blends style and comfort effortlessly.
• You need a wrinkle-resistant pant for a polished look without the effort.

Choose the On the Fly Pant if:

• You are an active traveler or outdoor enthusiast who needs a technical, durable pant.
• You value features like packability, quick-drying fabric, and abrasion resistance.
• You prefer a slimmer, more streamlined fit for active pursuits.
• Secure, zippered pockets are important for keeping your belongings safe on the move.

Frequently Asked Questions

What’s the main difference between the Keep Moving Pant and On the Fly?

The main difference is the fabric and its intended use. The Keep Moving Pant uses Warpstreme fabric for everyday comfort and versatility. The On the Fly Pant uses a more technical, quick-drying, abrasion-resistant fabric for travel and outdoor activities.