Men's Momentum Shorts

£65.00

Model is 6ft 2in (188cm) and is wearing a 32".

Size and fit guide

Fit: Regular

Size guide

Fit guide

Dimensions

Metric (cm)

Imperial (in)

Rab size	Waist	Short	Regular	Long
XS	71cm	76cm	81cm	86cm
S	76cm	76cm	81cm	86cm
M	81cm	76cm	81cm	86cm
L	86cm	76cm	81cm	86cm
XL	91cm	76cm	81cm	86cm
XXL	96cm	76cm	81cm	86cm
3XL	101.5cm	76cm	81cm	86cm

Rab size	Waist	Short	Regular	Long
XS	28in	30in	32in	34in
S	30in	30in	32in	34in
M	32in	30in	32in	34in
L	34in	30in	32in	34in
XL	36in	30in	32in	34in
XXL	38in	30in	32in	34in
3XL	40in	30in	32in	34in

N.B. The table above shows body measurements, not garment measurements.

How to measure

Waist: Find the top of your hip and measure the full circumference around your body.

Inside leg: Measure from your crotch to the base of your ankle.

Fit descriptions

All garments are designed and fitted to suit their intended end use. See below for a general description of our fit categories:

Slim

A streamlined silhouette. Cut trim following the contours of the body. Expertly placed articulation of seams and the use of stretch fabric ensure maximum freedom of movement in these close-fitting items.

Regular

Neither slim nor loose. Regular fit items are the perfect balance of form fit and ease of movement.

Relaxed

Our more generous fit. Cut loosely through the body allowing for ease of movement and additional layering.

Next to skin

Remains in contact with your skin and is built with stretch fabrics for complete flexibility, making it easy to layer and ideal as a baselayer.

Info
Delivery and returns Delivery
Rab Promise

When you’re covering long distances on foot in soaring temperatures, these lightweight, breathable shorts keep you cool, comfortable, and moving fast.

multi-activity . Stretch.

Activities:
General use
Hill walking
Trekking

Fit:
Regular
Size Guide

Weight:
167.5g/5.0oz (Size M)

Inseam length:
Regular 7"
Long 9"

This unique guarantee promises to support you before, during and after your adventure, combining gear advice, aftercare services, and our Rab Warranty, to help you get more out of your gear.

For more information, please visit our Rab Promise page.

Material Facts

Men's Momentum Shorts

	Recycled	PFAS PFAS This column shows where fluorocarbons (PFAS) may still be present in our products. No PFAS means we’ve phased out all intentionally added PFAS from the corresponding component and are compliant with current EU and US legislation.
Total content Total content The total percentage of an item's weight that is recycled.	86%	No
Fabric Fabric Some of our products use multiple fabrics, especially waterproof items. This figure shows the total percentage of an item's fabrics which are recycled, calculated by weight.	88%	No
Outer	88%	No
Zips Zips This figure includes zipper tape, teeth, sliders, and pullers, showing their total recycled content by weight.	0%	No
Trims Trims This section shows the recycled content by weight for all components added to our products that are not captured in the other categories. For example, cord locks, pocket linings, buttons, cords, size labels, and eyelets.	86%	No
Renewable energy
Product manufacturing	57%
Manufactured in Indonesia
*Calculations based upon the weight of a UK men's size medium.
QFW-46 Version 09/2025

Material Facts is the way forward.

We’re helping you to make informed choices by giving you the raw data. Clear. Concise. Honest.

Learn More

Tech and features.

Minimalist and ultralight, the Momentum Shorts are essential legwear for cooling off on warm days in the mountains. They have a simple pull-on style which reduces weight and bulk, ideal for a range of activities from fast hiking to long-distance trekking. Crafted from highly breathable, wind-resistant Matrix™, they dry fast, wick sweat, and shield against high winds, while delivering stretch for climbing and scrambling over steep terrain. Comfortable throughout long distances and designed to feel virtually weightless when you’re on the move, the Momentum Shorts are ideal for keeping up the pace when the mercury rises.