Ultraspire Lightning Waist Pack - 2027

UltrAspire Lightning Waist Pack

Built for moving fast through the mountains, the Lightning is a streamlined 2L waist belt designed to carry the essentials without the bulk of a full running vest. Whether you're heading out for a long training run, linking ridgelines, or putting in a big day on technical trails, it keeps hydration and gear close at hand so you can stay focused on the terrain ahead.

The contoured ErgoFit design sits naturally around the hips to help minimize bounce, even when you're moving over uneven ground or picking up the pace. Made with UltrAspire's EnduraMesh LT fabric, a lightweight nylon and UHMWPE blend, the Lightning is built to handle plenty of wear without adding unnecessary weight.

With six pockets, there's room to organize your phone, nutrition, keys, and other mountain essentials. The main compartment includes a 625 mL soft flask with a low-profile locking cap, while the front zippered pocket keeps smaller valuables secure. A compression system helps stabilize your load, and the rear pole attachments make it easy to carry folded Z-poles when the route gets steep. It's also compatible with UltrAspire's waist-light bracket (sold separately), making it a versatile option for early starts and late finishes.

At just 165g, the Lightning is a great choice for mountain runners who want enough capacity for longer efforts while keeping their setup light and mobile. It also works well alongside a larger pack when you need extra accessible storage without loading everything onto your back.

A practical, low-profile mountain tool for long runs, fast missions, and technical days when staying organized and moving efficiently makes all the difference.

Specs

• Capacity: 2L

• Weight: 5.8 oz (165g)

• Hydration: Includes 625 mL soft flask with locking cap

• Storage: Six pockets, including front zippered storage and a rear quick-access pocket

• Material: EnduraMesh LT (80% nylon / 20% UHMWPE)

• Fit: Unisex, contoured ErgoFit design

• Pole carry: Rear Z-pole attachments

• Lighting: Compatible with UltrAspire Light Bracket (sold separately)

• Color: Pitch Black

• Sizes: Small, Medium, and Large; sized by waist measurement