OverviewASSOS overshoes. The GT Winter Booties EVO Black Series and GT Ultraz Winter Bootie are the endurance-line 3/3 and deep-winter overshoes, rated for cold dry rides. The RS Rain Booties S9 Targa is the race-tier waterproof overshoe. The RSR Winter Speed Bootie and RSR Speed Booties are the race-tier aero overshoes — low profile, tight fit, shaped to reduce drag in a TT or road race. This is the GT Winter Booties — the standard 3/3-winter endurance overshoe.DetailsBest forWinter endurance rides (GT Winter Booties, GT Ultraz Winter Bootie)Wet-weather race days (RS Rain Booties S9 Targa)Aero-race days (RSR Winter Speed Bootie, RSR Speed Booties)Cold-morning race and training rides where shoe cover matters SpecsGT Winter Booties EVO Black Series: 3/3 winter endurance overshoeGT Ultraz Winter Bootie: deep-winter endurance overshoeRS Rain Booties S9 Targa: race-tier waterproof overshoeRSR Winter Speed Bootie: race-tier winter aero overshoeRSR Speed Booties: race-tier summer aero overshoeFit: ASSOS overshoe sizing (S / M / L / XL typical)Compatibility: fits over most 3-bolt road shoesColourway: BlackSizes: 0 · I · IIMaterials & CareCareMachine wash cold on delicates in a mesh bag with hook-and-loop tabs closed. ASSOS Active Wear Cleanser preferred.Reshape while damp. Do not tumble dry - heat warps the silicone grip palms, softens the neoprene cuffs and hardens reinforcement rubber on overshoes.Hang-dry with fingers open and cuffs gently opened, away from direct heat.For RXQ Thermo Rain pieces, rinse salt off after wet rides to preserve the membrane.Do not iron, bleach, or dry-clean.Bundle & SaveBuild a bundle and save up to 15% off.Shop Bundle Builder