---
product_id: 630059663
title: "Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Moon Mist Grey, One Size"
brand: "mountainsmith"
price: "€ 159.73"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/630059663-day-lumbar-waist-pack-running-hiking-cycling-travel-and-outdoor
store_origin: IE
region: Ireland
---

# Dual water bottle holders up to 32oz Phone-compatible waistbelt pockets Lightweight at 1 lb 15 oz Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Moon Mist Grey, One Size

**Brand:** mountainsmith
**Price:** € 159.73
**Availability:** ✅ In Stock

## Summary

> 🎒 Elevate your adventure game with hands-free hydration and tech-ready storage!

## Quick Answers

- **What is this?** Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Moon Mist Grey, One Size by mountainsmith
- **How much does it cost?** € 159.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/630059663-day-lumbar-waist-pack-running-hiking-cycling-travel-and-outdoor)

## Best For

- mountainsmith enthusiasts

## Why This Product

- Trusted mountainsmith brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Custom Comfort Fit:** Adjustable waistbelt (28” - 48”) with FreeFlow EVA backpanel padding for all-day support
- • **Versatile Wear Options:** Convert from lumbar pack to crossbody with removable shoulder strap and Strapette compatibility
- • **Stay Hydrated On-the-Go:** Reinforced side pockets fit 32oz bottles for seamless outdoor hydration
- • **Built to Endure Every Adventure:** Industry-leading durability with patented Delta Compression System for load stability
- • **Effortless Carry, Maximum Storage:** Spacious 13” x 12” x 6” design with padded tablet sleeve and secure valuables compartment

## Overview

The Mountainsmith Day Lumbar Waist Pack is a lightweight, durable travel and outdoor companion featuring dual water bottle holders, a padded tablet sleeve, and adjustable comfort fit. Designed for running, hiking, cycling, and travel, it offers versatile carry options and secure storage for essentials, making it the ultimate function-first pack for active professionals.

## Description

The original technical hiking lumbar pack marches on stronger than ever after 40+ years. Built with ultra-durable ripstop Nylon fabric, the Day Lumbar pack is as comfortable as it is versatile. Whether you are a hiker, disc golfer, commuter, tailgater, park ranger, birder, etc. this pack has the carrying capacity for all your needs. The large main compartment has a divider big enough for a tablet, large water bottle pockets on each side can easily hold 1L bottles, the outer pouch can hold essentials for easy access, and the Delta Wing Compression System helps keep the pack close to your lower back.

## Features

- FUNCTION-FIRST: A lumbar waist and fanny pack travel bag that holds all your accessories. 1 lb 15 oz empty weight, 13” x 12” x 6”, optimal carry weight up to 15 lbs.
- STORAGE: Interior foam padded sleeve for tablet carry. Smartphone or iphone compatible waistbelt pockets (Fits plus sized phones). Side reinforced water bottle pockets (fits up to 32oz/1L). Inner Sanctum interior zippered compartment for small valuables and essentials.
- PRACTICAL: Tuck-away waistbelt with forward pull adjustment webbing. Front compression attachment system. Crossbody fanny pack carry with removeable shoulder strap for crossbody bag carry option. Strapette compatible (sold separately).
- COMFORT: Great travel pack with FreeFlow ridged EVA backpanel padding. Backpanel stash pocket ideal for securing passport, boarding pass, etc. Patented Delta Compression System load adjustment. Waistbelt Fit: 28” - 48”.
- FORGED FOR LIFE: All Mountainsmith packs and gear are known for their quality and are built to last. One of the industry's first lumbar packs, the Day is known for its function-first design.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BR8G288Z |
| Best Sellers Rank | #120,227 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #173 in Hiking Waist Packs |
| Customer Reviews | 4.4 4.4 out of 5 stars (216) |
| Department | Unisex Adult |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4 ounces |
| Item model number | Mountainsmith |
| Manufacturer | Mountainsmith |
| Product Dimensions | 12 x 6 x 13 inches |

## Images

![Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Moon Mist Grey, One Size - Image 1](https://m.media-amazon.com/images/I/71acmO-WMxL.jpg)
![Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Moon Mist Grey, One Size - Image 2](https://m.media-amazon.com/images/I/81JvZH9w3UL.jpg)
![Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Moon Mist Grey, One Size - Image 3](https://m.media-amazon.com/images/I/71T2+GScUsL.jpg)
![Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Moon Mist Grey, One Size - Image 4](https://m.media-amazon.com/images/I/61xZWX6tcWL.jpg)
![Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Moon Mist Grey, One Size - Image 5](https://m.media-amazon.com/images/I/81+OzpfnXkL.jpg)

## Available Options

This product comes in different **Colour Name** options.

## Frequently Bought Together

- Mountainsmith Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Moon Mist Grey
- Mountainsmith Strapette, Black
- Mountainsmith Lumbar Pack Rain Cover

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-18*