Choose cycling shorts by how they fit when you are sitting and moving on the bike, not just by how they look while standing. The waistband, seams and any padded insert should stay comfortable in the riding position. A short local ride is a better first trial than saving a new pair for a long outing.
Not every ride requires the same clothing. Consider whether you want close-fitting shorts, a liner under a looser outer short or another option suited to the ride. The important distinction is the intended design, not whether the outfit looks like someone else's cycling kit.
Know whether the shorts have a padded insert
The padded insert in cycling shorts is often called a chamois. REI's cycling-clothing guide distinguishes several styles, including close-fitting shorts and mountain-bike shorts with a liner. Check what is actually included: an outer short and a padded liner may be sold separately.
Padding thickness alone does not tell you whether a pair will fit well. The insert needs to sit in the intended position without bunching. Check the manufacturer's size guide and intended use rather than choosing the thickest pad or the smallest size you can pull on.
Try the riding position
When trying a pair on, bend into a position similar to the one you use on your bike. Notice whether the waist digs in, a seam pulls or the leg openings feel restrictive. A comfortable standing fit is only part of the check.
Bib shorts use shoulder straps rather than relying only on a waistband. They also change how you put the garment on and manage stops. Choose the arrangement you can use comfortably; there is no need to treat one style as a required step towards being a serious cyclist.
Follow the garment's instructions about wearing layers. Padded cycling shorts are commonly designed for direct contact with the skin; adding another layer can introduce seams and folds. If you are unsure how a particular liner is meant to be worn, ask the retailer or manufacturer rather than assuming every short has the same construction.
Use a short ride to check the choice
Try the shorts on a familiar, manageable ride before depending on them for a longer day. Pay attention to the fit while pedalling and when stopping. A garment that shifts repeatedly may need a different adjustment or size, not another hour of trying to ignore it.
Clothing is only one part of cycling comfort. Persistent pain, numbness or a recurring sore area should not be treated simply by buying more padding. Have the bike fit and symptoms assessed appropriately instead of assuming the shorts can solve every cause.
Keep the pair ready for the next ride
Follow the care label for washing and drying, and give the garment time to dry before using it again. Check seams and the insert as part of ordinary care. Keep one note about what worked—the size, style and ride—so that a future purchase starts with your experience rather than only a product photograph.