What Our Gearhead(R) Experts Are Saying:"I wore this on a ride that hovered in the mid 50s the whole time and never had a moisture problem, even on the climbs. The fleeced sleeves added just enough warmth without turning into a sauna once I picked up the pace. This is the jersey I reach for anytime fall or spring mornings get that particular chill."The tricky part of shoulder season riding isn't the cold, it's the moment twenty minutes in when you're warmed up, but the air hasn't caught up yet. The Castelli Nebula Thermal Long-Sleeve Jersey handles that shift without making you think about it. A 3D-knit body traps air for warmth at the start while managing moisture as effort builds, so you're not stuck deciding between too cold and too sweaty. Fleeced side panels and sleeves add comfort right where you need it most, and a gripper elastic hem keeps things in place through climbs and out-of-saddle efforts alike. Three rear pockets and a smooth sliding zipper round out a jersey built for the rides where the forecast can't quite make up its mind.