White competition breeches with full silicone seat grip — Valerie Equestrian Confidence
on August 18, 2026

White Competition Breeches: Opacity, Fit and Keeping Them White

White breeches are the least forgiving garment in a competition wardrobe. They are also compulsory in most rings, which means every rider eventually has the same three questions: will they show through, how do I stop them going grey, and how should they actually fit. Here are the answers.

Are white breeches see-through?

Some are. The culprit is almost always fabric weight rather than colour: a thin, loosely knitted fabric stretches over the seat and thigh until the weave opens and whatever is underneath shows through. It is worst when you are mounted, which is exactly when you cannot check.

What prevents it is density. A heavier stretch fabric has more yarn in the same area, so it stretches without thinning — the white stays opaque in the saddle, not just on the hanger. Our Confidence competition breeches use a dense 72% polyester / 28% spandex blend for that reason.

The practical test before a show: put them on, take a phone photo of yourself from behind in bright daylight, and sit deep in a chair. Daylight and a camera are far less kind than a bathroom mirror — which is the point.

What to wear underneath

Seamless underwear in a colour close to your own skin tone disappears under white far better than white underwear does, which sounds counterintuitive until you try it. Avoid lace, decorative seams and anything with a raised edge: under a stretched pale fabric, texture shows before colour does.

How to keep white breeches white

Greying is cumulative, not sudden. It comes from arena dust, sweat salts and detergent residue building up in the fibres over many washes. A few habits keep it at bay:

  • Rinse the same day. Sweat and dust set as they dry. A cold rinse straight after a class does more than any stain remover three days later.
  • Soak before washing. This is the step most riders skip and the one that does the most work. Soak the breeches in a solution of oxygen-based whitener — the powdered kind sold for whites and colours — in cool water for 30 to 60 minutes, then wash as usual. Soaking lifts the grey out of the fibres instead of just washing the surface, and it is far gentler than trying to scrub a set-in mark later. Use an oxygen whitener rather than chlorine bleach: chlorine attacks the elastane that gives breeches their stretch and turns white fabric slightly yellow over time.
  • Wash inside out at up to 30°C. Cool water protects both the fibres and the silicone grip.
  • Use less detergent than feels right. Residue is what dulls white fabric. If the water looks foamy at rinse, you used too much.
  • Skip the fabric softener entirely. It coats fibres, traps grey and destroys grip.
  • Never tumble dry, never iron the grip. Heat hardens silicone until it cracks and stops holding.
  • Dry in the shade, not on a radiator. Air dry flat or on a line out of direct sun.

Removing the stains that actually happen

Different marks need different treatment, and the wrong one sets the stain permanently.

  • Horse slobber and grass: cold water first, always. Warm water cooks protein stains into the fabric.
  • Hoof oil and grease: a drop of washing-up liquid worked in gently before the soak.
  • Arena dust: let it dry completely, brush it off, then soak and wash. Rubbing wet dirt drives it deeper into the weave.

How competition breeches should fit

Close, but never straining. The waistband should sit flat under a jacket without gapping at the back when you fold forward; the seat should be smooth with no pull lines radiating from the seams; the leg should end cleanly under a tall boot without bunching at the ankle.

Stretch fabric moulds to the body with wear, so if you are between two sizes, take the smaller one — it settles into a closer, more supportive fit rather than loosening through the day. Confidence runs XXS to L, and the size chart on the product page gives measurements in centimetres for that specific model.

Full seat or knee grip?

Confidence uses a full seat grip: silicone covers the seat and the inner leg, so the whole contact area holds. That is what keeps the seat quiet through transitions and lateral work, and it is the reason the same pair works for dressage tests and jumping rounds. Knee grip, by contrast, steadies the lower leg while leaving the seat free — lighter in feel, and a common preference for everyday schooling.

Show-day practicalities

Bring a second pair if you have one, and get dressed as late as you reasonably can. Most white breeches are ruined in the lorry park rather than in the ring — a wet wheel arch, a dusty rug, a horse that leans on you while you plait. A pair of over-trousers pulled on for warm-up costs nothing and saves the day more often than it should.

The short version

Buy dense fabric so opacity is not a question. Wear seamless, skin-toned underwear. Rinse the same day, soak in an oxygen whitener before washing, wash cool and inside out, use less detergent, skip softener, dry in the shade. Take the smaller size if you are between two. Then the white looks after itself.

See the full range of competition breeches and riding breggings — shipping is free on every order, with nothing to pay on delivery in the US, EU, UK and nine more countries.